Metal detector set up at Willesden Green tube

Willesden and Kilburn Police set up a metal detector at Willesden Green station.

Is this the sign of things to come in Brent, taking off your shoes and belt before getting on the tube?

A Kilburn officer tweeted:

Checkpoint Charlie?

Local residents bemused to be greeted by this blockade, described it as a checkpoint.

Apparently, Everyone entering the station needed to go through it.