a 12 year-old Palestinian boy playing football was killed by fire from an Israeli tank

Israel may launch a ground invasion into Gaza, Benjamin Netanyahu has indicated, after a weekend of escalating cross border violence.By lunchtime on Sunday, more than 70 rockets and mortars had landed in Israel from Gaza within 24 hours, leaving six Palestinians killed and eight Israelis injured.At a cabinet meeting on Sunday morning, Mr Netanyahu, the Israeli prime minister, said: "The world needs to understand that Israel will not sit idly by in the face of attempts to attack us. We are prepared to intensify the response."One unnamed senior Israeli government official, said: "although we hope it won't come to that."The Israeli Defence Forces (IDF) has confirmed that it is expecting, at the very least, instruction to intensify its campaign of air strikes on Hamas targets.This latest escalation in the intractable conflict between Israel and Islamic militants in the Gaza Strip began on Thursday when a booby-trapped tunnel dug by Palestinians underneath the border fence from Gaza into Israel exploded, injuring an Israeli soldier. The Israeli military believes Hamas had planned to use this tunnel for a kidnapping similar to that of Israeli soldier Gilad Shalit in 2006 or to launch a terror attack inside Israel.In a separate incident on the same day,, having been caught in an exchange of fire with Palestinian militants.In an act of retribution, an anti-tank missile fired from the northern Gaza Strip blew up an IDF jeep patrolling the border fence. Four Israeli soldiers were injured in the blast.Israel responded by targeting several militant munition stores and rocket launch sites, while a funeral tent outside Gaza City was also hit,Violent exchanges consistently erupt along the Israel-Gaza border every few months but usually abate within days. In recent weeks, however, Hamas has shifted its focused to Israeli targets inside Israeli territory."Sometimes it looks as if they are trying to shake the status quo, pushing us to check our response. Every time, they push a little further," a senior Israeli military official said"Several Israeli soldiers have now been badly injured. I don't think the government or the Israeli people are prepared to accept this."The Hamas leadership in Gaza, meanwhile, has issued a unified called to arms."The occupation's targeting of civilians was a grave escalation that must not pass in silence. Resistance must be reinforced in order to block [Israeli] aggression," said Fawzi Barhoum, the party's spokesman.Separately, Israeli troops fire warning shots into Syria on Sunday in response to mortar fire,