Explosion of an explosive package in London underground resulted in injuring 18 people, Chair of the National Police Chiefs' Council Counter-Terrorism Coordination Committee and National Lead for Counter Terrorism Policing Mark Rowley told reporters on Friday.
According to reports, the attacker laid a time bomb and he left the place after the explosion.
British Prime Minister Theresa May held urgent meeting to review the terrorist accident and she sympathized with the victims of the sad incident.
London underground explosion has been the fifth terrorist since last year.
Translator: Ali Izadi
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