LONDON, Sept. 25 (Xinhua) -- A seventh person has been arrested by detectives investigating the recent terror attack in the Tube in London, the London Metropolitan Police said Monday.
On Sept. 15, a homemade bomb partially exploded on a rush-hour carriage of the District Line train at Parsons Green tube station in west London, injuring 30 people.
A 20-year-old man was arrested at an address in Cardiff, capital of Wales, at approximately 6 a.m. (0500 GMT) on Monday, under section 41 of the Terrorism Act. He has been taken to a south London police station where he remains in custody.
The Terrorism Act allows police to detain suspects without charge beyond the four-day cap for suspects of other crimes.
Among the seven suspects, one person has been charged in relation to the attack, three people remain in police custody and three people have been released.
