Emergency services probe ‘suspicious powder’ in Boss Street

Fire crews from Dockhead, Lewisham, Euston and Whitechapel were sent to the scene at Boss House in Boss Street.

The London Fire Brigade sent a scientific advisor to the incident.

"We were called at 12.55pm to assist police with an unknown powder at a building in Tooley Street, SE1," said a brigade spokeswoman.

"Crews carried out a sweep of the building in conjunction with partner agencies. No elevated readings were found. The incident was over for the Brigade at 4.02pm.