Iran has called on Islamic and Arab countries to form a united front against Israel, as the West ramped up warnings against exploiting the volatile situation and touching off a regional conflict.
Tehran, which financially and militarily backs Hamas, has come under intense scrutiny since fighters of the Islamist group stormed across Israel's southern border at the weekend, shooting dead people in their homes and on the streets in an onslaught that claimed more than 1,200 lives.
