Hezbollah chief says response to killing of senior Hamas official is ‘inevitable’

Hassan Nasrallah says assassination in Beirut has changed nature of his group's conflict with Israel, raising fears of escalation

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The assassination of one of Hamas's most senior officials in Beirut has changed the nature of the conflict between Hezbollah and Israel, Hezbollah's head, Hassan Nasrallah, has said, warning that a response is inevitable".

In a second nationally televised address within three days, Nasrallah said that all of Lebanon would be exposed" if there was no response from his group to the killing of Saleh al-Arouri, further heightening fears of a dangerous escalation in the conflict, even as Israel warned its military was ready for any eventuality.