KABUL - Afghanistan has banned all Pakistani newspapers over what security officials say is anti-government propaganda aimed at Kabul, an interior ministry spokesman said on Saturday, in a move likely to worsen already tense cross-border ties.

Pakistani newspapers are usually filled with statements that the Afghan government does not properly represent its people and that its NATO-led allies are "occupying" the country, rather than offering security support, Ihsanuddin Taheri told Reuters. Some papers have also published speeches by Taliban insurgency leaders, he added, at a time when the government is trying to lure the Taliban into nascent peace talks aimed at ending the 11-year Afghan war.

Ties between Afghanistan and Pakistan have been strained by months of cross-border shelling which officials in Kabul have blamed on Pakistan's military. Islamabad accuses Afghanistan of failing to stop anti-government militants operating from mountain havens on Kabul's side of the border.

On Thursday, the Afghan foreign minister told the UN Security Council in New York that diplomatic ties with Pakistan were under threat.