Thousands of people have gathered for the funeral of assassinated Pakistani opposition leader Benazir Bhutto.
Grief-stricken mourners converged on the family mausoleum where she is being buried next to her father near their home village in Sindh province.
The coffin, draped in the flag of Ms Bhutto's party, was driven in a white ambulance through dense crowds.
Thousands of people have gathered for the funeral of Pakistani opposition leader Benazir Bhutto.
Pakistani security forces are on high alert, as violence broke out in several cities across the country.
President Pervez Musharraf has appealed for calm, following Ms Bhutto's death at a rally yesterday.
At least 11 people are reported to have been killed in ensuing violence, and security forces in Sindh have been ordered to shoot rioters on sight.
The government said plans for planned parliamentary elections on 8 January remain unchanged.
Caretaker Prime Minister Mohammedmian Soomro said the government would consult other political parties on the issue.
Ms Bhutto's political rival Nawaz Sharif, also a former primer minister, announced that his party would boycott the vote in response to the attack.
He also called for a nationwide strike today which correspondents say is being closely observed in some parts of the country.
Overnight rioting left four dead and dozens injured in Karachi in Sindh province.
In the latest incident, a policeman was shot dead by gunmen in an eastern part of the city.
Businesses, government offices and police stations, along with dozens of vehicles, were attacked and set alight.
In Peshawar, the office of a party supporting President Pervez Musharraf was ransacked and set ablaze.
The Asia Times reported that one of their correspondents had been telephoned by the al-Qaeda commander in Afghanistan, Mustafa Abu al-Yazid, who said the network was behind the attack.
But the Pakistani Interior Ministry said it was not aware of any specific claim of responsibility.
Ms Bhutto, 54, was leaving an election rally in Rawalpindi, standing in the open sunroof of a car, when a gunman shot her in the neck and chest.
Seconds later, the attacker blew himself up, killing at least 20 people.
The UN Security Council described it as a "reprehensible act of terrorism" and urged "all Pakistanis to exercise restraint and maintain stability in the country".
President Musharraf announced three days of national mourning, during which schools, commercial centres and banks are being closed.
