beirut

The army said the attacker, a Syrian national, was taken to hospital for treatment and that it was continuing to comb the area.

Elsewhere in the Arab world, activists called off a planned sit-in on Tuesday at Jordan University in Amman, although a rally was planned later on Tuesday near the Israeli embassy.

The situation of the Lebanese Jewish community was recently brought to light the death of Isaac Arazi, a key figure in the Jewish community.

Washington fears Israel's war in Gaza could spread violence across the region, with armed groups backed by Israel's arch-rival Iran launching solidarity attacks in Lebanon, Syria, Iraq and Yemen.

The hackers displayed messages conveying anger toward Hezbollah and Iran for attempting to drag Lebanon into a war with Israel.

"Shin Bet chief Ronen Bar recently spoke on the issue of expanding the responsibilities of the security agency" and its "intent to reach all Hamas leaders anywhere in the world."

"The consequences of this terror will be felt by [the US]," Iranian Defense Minister Mohammad Reza Ashtiani warned.

Hamas leader Ismail Haniyeh has said that Hamas “will never be defeated," after the assassination of its deputy leader Saleh al-Arouri in Lebanon by Israel.

Hamas chief said the assassination was a “terrorist act,” a violation of Lebanon’s sovereignty, and an expansion of Israel’s hostility against Palestinians.

Hamas leader Ismail Haniyeh expressed outrage at the assassination, stating, "the occupation’s assassination of Arouri and his brothers is a complete terrorist act."