British law enforcers detained the first suspect in connection with the London terror attack. An 18-year-old man was arrested in the port area of Dover on Saturday morning . The suspect is still in the local police department, and later he will be taken to London. Other details of the special operation are unknown.

The terrorist attack occurred yesterday morning in the London Metro Station. According to the latest data, 30 people were injured.

The "Islamic State" took the responsibility for the attack.

After the incident, the level of threat in the UK has been increased to a critical level that points to possible imminent danger.