At least 20 people were killed in a powerful Israeli strike that flattened a multi-storey building in densely populated central Beirut, Lebanese officials said on Saturday, as more deaths were reported from Israeli attacks in eastern Lebanon.

A Lebanese army soldier and people stand on rubble at a damaged site in the aftermath of Israeli strikes, amid the ongoing hostilities between Hezbollah and Israeli forces, in Beirut's Basta neighbourhood,

Saturday’s attack completely demolished a multistory building in a densely populated neighborhood. Israel did not say who the strike’s target was.

Israel's military says around 250 rockets have been fired by Hezbollah across the border from Lebanon, marking one of the heaviest bombardments of Israel since fighting intensified in September. Several people were injured and buildings damaged in northern and central Israel,

Lebanon's Hezbollah movement fired heavy rocket barrages at Israel on Sunday, and the Israeli military said houses had been destroyed or set alight near Tel Aviv, after a powerful Israeli airstrike killed at least 29 people in Beirut the day before.