PHNOM PENHH, Apr 27: Cambodian Prime Minister Hun Manet says 20 soldiers have been killed and several others injured in an ammunition explosion at a base in the west of the country on Saturday afternoon.

Hun Manet said in a Facebook post that he was “deeply shocked” when he received the news of the explosion at the base in Kampong Speu province.

It was not immediately clear what caused the explosion and Hun Manet did not say in his post on Facebook. (AP)