US President Joe Biden said he hoped Iran would back away from its threat to avenge the assassination of a Hamas leader in Tehran amid fears Israel’s war against Palestinian militants could escalate.
Regional tensions have soared following the assassination of Ismail Haniyeh, Hamas' top leader, on Wednesday, a day after an Israeli strike in Beirut killed Fuad Shukr, a senior military commander from the Lebanese group Hezbollah, which like Hamas is backed by Iran.