A Taliban roadside bomb ripped through a US army vehicle in southern Afghanistan on Saturday, officials said, with no immediate details of casualties.

The Taliban Monday denied agreeing to any ceasefire in Afghanistan after rumours swirled of a potential deal that would see a reduction in fighting after more than 18 years

The Taliban on Monday claimed responsibility for an attack on an American convoy that killed one US soldier and, according to the insurgents, wounded several more.

President Donald Trump said Thursday the US had resumed talks with Taliban insurgents as he made a surprise trip to Afghanistan to celebrate the Thanksgiving holiday with troops.

The Taliban should call a one-month ceasefire to prove they still control their forces, Afghanistan's national security advisor said Tuesday, amid signs the US wants to rekindle talks with the insurgents.

At least 28 people were killed and dozens wounded by a blast inside an Afghan mosque during Friday prayers, officials said, a day after the United Nations said violence in the country had reached "unacceptable" levels.

At least 30 civilians were killed when the US bombed several drug-making facilities in western Afghanistan in May, a UN agency said in a report Wednesday, though the US military immediately disputed the findings.

The death toll from a massive Taliban bomb attack which flattened a hospital in southern Afghanistan earlier this week has risen to at least 39, officials said Friday.

The Taliban killed at least 10 people and wounded 90 Thursday after a car bomb targeting an intelligence services building exploded and destroyed a nearby hospital in the southern Afghan city of Qalat, the governor of Zabul province told AFP.

Taliban suicide bombers killed at least 48 people and wounded dozens more in two blasts Tuesday -- one at a campaign rally for the president and the other in Kabul -- with the insurgents warning of more violence ahead of elections.

A Taliban suicide bomber killed at least 26 people and wounded dozens near a campaign rally for Afghan President Ashraf Ghani on Tuesday, with the insurgents warning of more violence ahead of elections.

The Taliban on Tuesday vowed to continue fighting against US forces in Afghanistan after President Donald Trump said talks with the insurgents were "dead", saying Washington would regret abandoning negotiations.