By Maya Gebeily, Timour Azhari and James Mackenzie BEIRUT/JERUSALEM (Reuters) -A wave of air raids hit Beirut's southern suburbs early on Saturday as Israel stepped up attacks on Hezbollah, after a massive strike on the Iran-backed movement's command centre that apparently targeted leader Hassan Nasrallah.

Israeli forces have launched multiple strikes levelling buildings in Dahiyeh, Beirut in an attempt to target key leaders and weapon supplies of the Hezbollah.

Israel targeted Hezbollah leader Hassan Nasrallah with an airstrike on the group’s headquarters in Beirut, the heaviest attack on the Lebanese capital in almost two decades and a major escalation of a conflict that threatens to engulf the Middle East.

The Israeli military said the commander, Mohamed Hussein Sarour, was killed in a strike. There was no immediate confirmation from Hezbollah.

Hezbollah militants in Lebanon fired rockets at the Israeli city of Tiberias and other towns on the Sea of Galilee, causing one injury, the Israeli military reported on Friday. According to the army,