Gazan officials say 42 were killed, as the UN head calls for an end to 'utterly appalling' violence.
Palestinian officials in Gaza say Sunday was the deadliest day since the current fighting with Israel began.Israel's army say Palestinian militants have fired more than 3,000 rockets at Israel over the past week.
The UN has also warned of fuel shortages in Gaza which could lead to hospitals and other facilities losing power. Gaza officials said 42 people, including 16 women and 10 children, died in Sunday's Israeli air strikes. The overall death toll in Gaza now stands at 188 people, including 55 children and 33 women, with 1,230 injured, according to the Hamas-controlled health ministry. Israel says dozens of militants are among the dead.Israeli air strikes hit a busy street in Gaza just after midnight on Sunday, causing at least three buildings to collapse and dozens of deaths.Millions of Israelis scrambled to safe rooms or shelters as sirens went off.