The U.S. official overseeing contacts to secure a ceasefire between Israel and the Iran-backed Hezbollah in Lebanon is due to visit Beirut on Tuesday, sources in Lebanon said on Monday, with Beirut expected give its response to a U.

Lebanese armed group Hezbollah confirmed its media relations chief Mohammad Afif was killed by an Israeli strike.

Lebanon's health ministry said Israel struck a densely packed Beirut neighbourhood on Monday, killing at least four people, in the third attack in two days on the city's central districts.Several hundreds of metres (yards) away was the site of a similar strike on Sunday,