Israel vows to demolish Hamas as troops prepare to move on Gaza

Israel's Prime Minister Benjamin Netanyahu has vowed to "demolish Hamas" as his troops prepared to move into the Gaza Strip in pursuit of Hamas militants. It appears that Israel's armed forces are now fully prepared for a ground campaign. It follows the attacks in southern Israel by Hamas gunmen that has left more than 1,400 Israelis dead. BBC's defence correspondent, Jonathan Beale, takes a look at the weapons Hamas has brought into Israel.