UN refugee chief Filippo Grandi said an Israeli air strike hit "humanitarian structures" Saturday at a border crossing between Lebanon and Syria that was previously hit last month.

The conflict between Israel and Hezbollah has deepened in recent days despite diplomatic efforts to move toward a temporary truce.

Medical sources say Israeli attacks on Gaza have killed 23 people, including 13 in the north, since dawn. UNICEF condemns Israel’s “indiscriminate strikes on the Gaza Strip”, noting that more than 50 children have been killed in the attacks on Jabalia in the north in the past 48 hours.