Family members of the victims of the Beirut port explosion stage a sit-in and demand for expediting investigation in Beirut, Lebanon, April 4, 2021. Two huge explosions ripped through the port of Beirut on Aug. 4, 2020, killing about 200, injuring at least 6,000 and leaving 300,000 homeless. (Photos: Xinhua)

Family members of the victims of the Beirut port explosion stage a sit-in and demand for expediting investigation in Beirut, Lebanon, April 4, 2021. Two huge explosions ripped through the port of Beirut on Aug. 4, 2020, killing about 200, injuring at least 6,000 and leaving 300,000 homeless.

Family members of the victims of the Beirut port explosion stage a sit-in and demand for expediting investigation in Beirut, Lebanon, April 4, 2021. Two huge explosions ripped through the port of Beirut on Aug. 4, 2020, killing about 200, injuring at least 6,000 and leaving 300,000 homeless.