Hylands Police have reported emergency teams have been deployed at Upminster train station this evening.
They have stated a male is currently being searched for after escaping the police.
One person had tweeted: “A work colleague has reported that several police vans including police officers in riot gear are at Upminster station because there is a person with a knife running around the station.”
They advised the public to stay away from the area while a search is conducted.
The police have not revealed if anyone was hurt during the incident this evening.
A spokesman for the Metropolitan Police told Express.co.uk: “Police were called at 6.21pm on Wednesday, 9 December to Upminster Station following reports of a man believed to be in possession of a knife.
“Officers from the Met, BTP and the National Police Air Service remain in attendance.
“There are no reported injuries.
“No arrests and enquiries continue.”
More to follow…