Concerns rise over regional conflict after Hamas member assassinated

02:20

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War on Gaza

Concerns rise over regional conflict after Hamas member assassinated

Hamas' deputy leader has been killed in a drone strike on the Lebanese capital Beirut. Saleh al Arouri was one of six people killed in the attack. Lebanese security sources say Hamas was holding a meeting with Lebanese militant group members when their building was hit. Israel has refused to comment on the strike - but if it's found to be responsible, there are serious concerns this incident could mark the start of broader regional conflict. Melinda Nucifora has more.