The police have identified the identity of the suspect in the execution of the terrorist attack in the London Underground, Sky News reported citing sources.

"Sources in security agencies said they had identified the suspect in connection with the explosion (at the station) Parsons Green with the help of records from security cameras," the correspondent of the television channel said.

British Prime Minister Teresa Mei told reporters following a meeting of the Cobra emergency committee on the September 15 terrorist attack in the Moscow metro that the level of the terrorist threat in the UK remains "serious" but will continue to be subject to analysis

"The level of the terrorist threat remains the same," serious, "but will be subject to constant review," May said.

She urged the British to be as vigilant as possible and reported that emergency services are doing everything to promptly investigate what happened.