Rescue spokeswoman Deeba Shahbaz said the toll had risen to 72 on Monday, with 29 children among the dead.Haider Ashraf, a senior police official, confirmed the number killed, adding the majority of the dead were Muslims. to the prime minister that we we have arrived in Punjab and we will reach you." Mr Ashraf said ball bearings were found on the ground after the attack, which he believed was a suicide bombing, and that an investigation was continuing.
They set fire to at least three police check posts and tore down billboards along the roadside before dispersing.
Men, women and children marched in the eastern city of Lahore in a demonstration called the 'Magnificence of Mohammed Rally' organised by a religious group.
Many protesters held placards with "Mohammed" written on them.
“We claim responsibility for the attack on Christians as they were celebrating Easter,” a spokesperson for the terrorist group said.
Al-Khidma, a Lahore rescue worker, told the Telegraph: “Our ambulances lifted dozens of injured people to nearby hospitals. Another medical worker said at least three hundred people had been injured and that he feared the death toll would rise.
The Punjab government has since announced three days of national mourning and the closure of all public parks in Pakistan, vowing to bring those behind the attack to trial.
Describing the moment of the blast, one man who was visiting the park with his wife and two children said he heard a huge bang before all four of them were thrown to the floor.
Hundreds of protesters angered by a US-made film that mocks the Prophet Mohammed, tried to make their way to the U.
S embassy in the Pakistani capital Islamabad but were stopped by a heavy contingent of police firing tear gas shells.
The protesters broke through barricades of shipping containers laid across the road by police, and entered the heavily-guarded Red Zone in a bid to reach the diplomatic enclave which houses the US embassy and other major foreign missions.
After several hours of stone-pelting by the protesters and heavy tear-gas shelling by police, the protesters were finally driven back.