China has ordered North Korean companies in the country to shut down by January as it applies UN sanctions imposed following Pyongyang's sixth nuclear test, the commerce ministry says.

Twitter Inc has shut down 360,000 accounts for threatening or promoting terrorist acts since the middle of 2015, the company said in a blog post on Thursday.

Rangpur Medical College is closed for an indefinite period following a clash between two factions of Bangladesh Chhatra League (BCL) that left 10 people injured.