At least six people were killed and 35 wounded on Monday, when an improvised explosive device tore into a crowded marketplace in a northern Afghan province on the border with Turkmenistan, officials said.

The bomb, hidden on a bicycle, exploded as farmers gathered in Darzab district of the province of Jawzjan on market day, but there was no immediate word on who was responsible.

Source: b'Afghan security forces stand alert at the site of a bomb blast that targeted NATO forces in Kabul, Afghanistan|Source: AFP\xc2\xa0'

"People usually come from surrounding villages on Monday to do their shopping in the city," said Reza Ghafoori, a spokesman for the provincial governor.

"Enemies of the people of Afghanistan put an improvised explosive device on a bicycle and targeted our innocent countrymen who were there to buy their needs."

(Feature image source: AFP)