Hezbollah leader Hassan Nasrallah delivers speech

Hezbollah leader Hassan Nasrallah delivers a speech as fears mount of a regional escalation after a strike in Beirut that killed one of the top Hamas leaders.

The strike was widely blamed on Israel - which has not confirmed or denied it was responsible - but its implications for the war remain unclear.

Israeli officials have not commented on the attack on Tuesday that killed Saleh al Arouri, the most senior Hamas member to die since the war in Gaza erupted