The Latest: UN says willing to investigate Beirut disaster

A dog of the French rescue team searches for survivors at the scene of this week's massive explosion in the port of Beirut, Lebanon, Friday, Aug. 7, 2020. Three days after a massive explosion rocked Beirut, killing over a hundred people and causing widespread devastation, rescuers are still searching for survivors and the government is investigating what caused the disaster. (AP Photo/Thibault Camus)

In this photo taken from footage provided by the Russian Emergency Situations Ministry press service, Russian Emergency Situations personnel walk on the site of the explosion in the port of Beirut, Lebanon, on Thursday, Aug. 6, 2020. Russia's emergency officials say the country sent five planeloads of aid to Beirut after an explosion in the Lebanese capital's port killed at least 100 people and injured thousands on Tuesday. Russia's Ministry for Emergency Situations sent rescuers, medical workers, a makeshift hospital and a lab for coronavirus testing to Lebanon. (AP Photo/Ministry of Emergen…

In this photo taken from a footage provided by Russian Emergency Situations Ministry press service, Russian and Lebanese medical specialists visit a Russian field hospital set up in Beirut, Lebanon, on Thursday, Aug. 6, 2020. Russia's emergency officials say the country sent five planeloads of aid to Beirut after an explosion in the Lebanese capital's port killed at least 100 people and injured thousands on Tuesday. Russia's Ministry for Emergency Situations sent rescuers, medical workers, a makeshift hospital and a lab for coronavirus testing to Lebanon. (AP Photo/Ministry of Emergency Situa…

Italian firefighters of the NBCR unit (Nuclear Biological Chemical Radiological) take water samples near the site site of an explosion in the port of Beirut, Lebanon. A massive explosion Tuesday, apparently caused by the ignition of 2,750 tons of ammonium nitrate, a chemical used for explosives and fertilizer, that had been stored at the port, sent a wave of destruction through Lebanon’s capital, killing nearly 150 people and wounding thousands. (Italian Firefighters via AP)

A man holds the Lebanese flag, as he looks at the scene of Tuesday's explosion that hit the seaport of Beirut, Lebanon, Friday, Aug. 7, 2020. Rescue teams were still searching the rubble of Beirut's port for bodies on Friday, nearly three days after a massive explosion sent a wave of destruction through Lebanon's capital. (AP Photo/Hussein Malla)

People remove debris from a house damaged by Tuesday's explosion in the seaport of Beirut, Lebanon, Friday, Aug. 7, 2020. Rescue teams were still searching the rubble of Beirut's port for bodies on Friday, nearly three days after the massive explosion sent a wave of destruction through Lebanon's capital. (AP Photo/Felipe Dana)

Lebanese army soldiers salut during the funeral procession of lieutenant Ayman Noureddine, who was killed by Tuesday's explosion that hit the seaport of Beirut, in Numeiriyeh village, south Lebanon, Friday, Aug. 7, 2020. Rescue teams were still searching the rubble of Beirut's port for bodies on Friday, nearly three days after a massive explosion sent a wave of destruction through Lebanon's capital. (AP Photo/Mohammed Zaatari)

Relatives of Lebanese army lieutenant Ayman Noureddine, who was killed by Tuesday's explosion that hit the seaport of Beirut, mourn during his funeral procession, in Numeiriyeh village, south Lebanon, Friday, Aug. 7, 2020. Rescue teams were still searching the rubble of Beirut's port for bodies on Friday, nearly three days after a massive explosion sent a wave of destruction through Lebanon's capital. (AP Photo/Mohammed Zaatari)

A woman throws flowers over Lebanese army soldiers who carry the coffin of lieutenant Ayman Noureddine, who was killed by Tuesday's explosion that hit the seaport of Beirut, during his funeral procession, in Numeiriyeh village, south Lebanon, Friday, Aug. 7, 2020. Rescue teams were still searching the rubble of Beirut's port for bodies on Friday, nearly three days after a massive explosion sent a wave of destruction through Lebanon's capital. (AP Photo/Mohammed Zaatari)

A man looks at the scene of Tuesday's explosion that hit the seaport of Beirut, Lebanon, Friday, Aug. 7, 2020. Rescue teams were still searching the rubble of Beirut's port for bodies on Friday, nearly three days after a massive explosion sent a wave of destruction through Lebanon's capital. (AP Photo/Hussein Malla)

Debris lay inside a damaged apartment at a neighborhood near the scene of Tuesday's explosion that hit the seaport of Beirut, Lebanon, Friday, Aug. 7, 2020. Rescue teams were still searching the rubble of Beirut's port for bodies on Friday, nearly three days after a massive explosion sent a wave of destruction through Lebanon's capital. (AP Photo/Felipe Dana)

A man walks over debris of a damaged house, at a neighborhood near the scene of Tuesday's explosion that hit the seaport of Beirut, Lebanon, Friday, Aug. 7, 2020. Rescue teams were still searching the rubble of Beirut's port for bodies on Friday, nearly three days after a massive explosion sent a wave of destruction through Lebanon's capital. (AP Photo/Felipe Dana)

A man walks past a destroyed car at a neighborhood near the scene of Tuesday's explosion that hit the seaport of Beirut, Lebanon, Friday, Aug. 7, 2020. Rescue teams were still searching the rubble of Beirut's port for bodies on Friday, nearly three days after a massive explosion sent a wave of destruction through Lebanon's capital. (AP Photo/Thibault Camus)

People remove debris from the damaged hospital of the rosary sisters in a neighborhood near the scene of Tuesday's explosion that hit the seaport of Beirut, Lebanon, Friday, Aug. 7, 2020. Rescue teams were still searching the rubble of Beirut's port for bodies on Friday, nearly three days after a massive explosion sent a wave of destruction through Lebanon's capital. (AP Photo/Thibault Camus)

Women walk past destroyed cars at a neighborhood near the scene of Tuesday's explosion that hit the seaport of Beirut, Lebanon, Friday, Aug. 7, 2020. Rescue teams were still searching the rubble of Beirut's port for bodies on Friday, nearly three days after a massive explosion sent a wave of destruction through Lebanon's capital. (AP Photo/Thibault Camus)

A man puts a Lebanese flag on a roof of a damaged building at a neighborhood near the scene of Tuesday's explosion that hit the seaport of Beirut, Lebanon, Friday, Aug. 7, 2020. Rescue teams were still searching the rubble of Beirut's port for bodies on Friday, nearly three days after a massive explosion sent a wave of destruction through Lebanon's capital. (AP Photo/Thibault Camus)

The port area lies in devastation following this week's massive explosion in the port of Beirut, Lebanon, Friday, Aug. 7, 2020. Rescue teams were still searching the rubble of Beirut's port for bodies on Friday, nearly three days after a massive explosion sent a wave of destruction through Lebanon's capital. (AP Photo/Thibault Camus)