Strike update: We've taken 50 calls & attended 1 small fire, 2 RTA's which required no action & a false alarm caused by a smoking toaster.
More top news
The Met Police has thanked residents in Northolt for their patience but has warned the armed stand-off could take time to resolve.
A man said to be armed with dangerous articles remains inside an address in west London.
British Bankers' Association head Anthony Browne warned that some banks could be moving abroad within weeks due to Brexit uncertainty.