"The level of terrorist threat in Germany remains high. After such an attack it will be neither increased nor lowered," de Maiziere said as quoted in a message posted on Sunday on the ministry's official Twitter page.
On Saturday, at 22:08 local time (21:08 GMT), a vehicle struck pedestrians on London Bridge. The vehicle with three suspects continued to drive from London Bridge to Borough Market, after which the suspects left the vehicle and carried out a stabbing attack at the market. The attackers were confronted by the police and shot dead within minutes.