London tube station closed after ‘serious police incident’

Hainault Tube Station has been closed by policeHainault Tube Station has been closed by police following a ‘serious incident’.The station, which is at the end of the Central Line, can be seen surrounded by emergency services, including a police helicopter.Reports on social media suggest a number of people were attacked with a large knife.
TfL said: ‘This station is closed due to a police investigation in the area.’A witness told LBC: ‘There was loud shouting outside