Afghanistan, April 9 -- Lebanon declared a national day of mourning after Israeli strikes killed 254 people and wounded more than 1,100, deepening tension over the Iran ceasefire.

Lebanon declared Thursday a national day of mourning after Israeli airstrikes killed 254 people and wounded 1,165 others in just one day, according to Lebanese officials. The bombardment marked one of the deadliest single-day escalations in the country in recent weeks and came just hours after a fragile U.S.-Iran ceasefire was announced.

Prime Minister Nawaf Salam said Lebanon would mobilize all political and diplomatic resources to stop what he described as Israel's "killing machine," as strikes hit crowded parts of Beirut and residential areas. The scale of th...