At least four insurgents were killed and six others injured in clashes with security forces in northern Kunduz province on Tuesday night, local officials said on Wednesday.

The attack took place at about 9pm local time after a group of insurgents attacked a police check post and clashed with security forces, a spokesman for the provincial police chief, Enamuddin Rahmani said.

However, he did not provide more details on either military or civilian casualties.