Sources said that Israel would put pressure on countries like Qatar , which has donated hundreds of millions of dollars to Hamas and currently houses Hamas Chief Ismail Hainyeh.
Airstrikes yesterday flattened several buildings in the centre of Gaza City, including an 11-storey building called Palestine Tower which houses Hamas radio stations on its rooftop.
Israeli forces clashed with gunmen from the Palestinian group Hamas on Sunday, 24 hours after the militants launched a surprise attack on Israel in which about 500 people were killed in the deadliest day of violence in Israel for 50 years.
Hamas is continuing to fire rockets into Israel as fighting is expected to intensify into the night 24 hours on from the beginning of the conflict which has already left hundreds dead.
A terrified Melbourne mum living in Israel has described waking her children to rush them into a bomb shelter seconds before missiles rained down on Tel Aviv amid the shocking Hamas attack.