An Israeli airstrike in Beirut killed a member of Hezbollah and Iran’s Quds Force on Tuesday, security officials said, raising fears that the cease-fire in Lebanon may fall through. Hassan Bdeir, a Hezbollah and Quds Force official who allegedly helped Hamas plan an attack on Israel,

Israel has launched a strike on Beirut for the second time in days, further testing the shaky ceasefire with Hezbollah struck four months ago.

Beirut’s southern suburbs were rocked by an overnight Israeli airstrike that killed at least four people, according to Lebanon’s health ministry. Israel says the strike was targeting a Hezbollah militant with links to Hamas,