Pakistani officials say 10, 000 to 15, 000 people are caught at the border at Chaman after a sudden surge of refugees.

BBC: Refugees force their way into Pakistan

In scuffles at the Chaman crossing on Sunday, Pakistani border guards fired shots at hundreds of Afghans demanding to enter the country.

BBC: Refugees force their way into Pakistan

Between 10, 000 and 20, 000 Afghans estimated to be waiting at the Chaman border crossing near Quetta reportedly have left that area and retreated into Afghanistan.

CNN: U.N. airlifts refugee supplies

Tension had been rising at the Chaman crossing, 100 kilometres (60 miles) north of Quetta, as Pakistani guards only allowed those with identity papers or able to pay bribes to pass.

BBC: Refugees force their way into Pakistan

Associated Press writers Munir Ahmed and Zarar Khan in Islamabad, Atif Raza in Karachi, Riaz Khan in Peshawar, Rasool Dawar in Mir Ali, Anwarullah Khan in Khar, Abdul Sattar in Quetta, Matiullah Achakzai in Chaman, and Asif Shahzad in Lahore contributed to this report.

NPR: Former Pakistani Prime Minister Declares Victory

Two ANP workers were killed in a grenade attack in the northwestern district of Swabi, four people died in election violence in the area of Chaman on the Afghan border, and two others were killed in the Mian Channu area of Punjab, Pakistan's state TV said.

WSJ: Irregularities at Polls, Strong Turnout as Pakistan Votes

Two ANP workers were killed in a hand grenade attack in the northwestern district of Swabi, four people died in election violence in the area of Chaman on the Afghan border, and two others were killed in the Mian Channu area of Punjab, Pakistan's state TV said.

WSJ: Violence as Pakistan Votes