Pope Leo stopped by the site of the powerful chemical explosion in Beirut, Lebanon, that killed 218 people and injured 7,000 in August 2020. He held a moment of silent prayer in front of the memorial for the victims. NBC News' Claudio Lavanga reports. | NBC News

On August 4, 2020, the city of Beirut, Lebanon, was devastated by one of the largest non-nuclear explosions in history. The catastrophe originated in Warehouse 12 at the Port of Beirut, where a fire ignited 2,750 tonnes of ammonium nitrate that had been improperly stored for nearly seven years. The resulting blast was equivalent to a small earthquake, generating a massive shockwave that ripped through the city. The explosion killed more than 200 people, injured over 6,000, and instantly rendered