Three men arrested in connection with the Parsons Green terror attack have been released with no further action.
Scotland Yard said a 25-year-old man who was arrested in Newport, South Wales, on Tuesday and a 30-year-old man also arrested in Newport, last week were released on Tuesday afternoon.
A 20-year old man arrested in Cardiff on Monday was also released.
Ahmed Hassan, 18, who allegedly planted the bomb that injured 30 when it went up in flames at Parsons Green tube station, is now the only person facing charges over the attack
Seven people have been arrested as part of the investigation into the attack on a packed District line Tube train.
One person, Ahmed Hassan, has been charged, and the other six have been released with no further action.
Police said searches are continuing at one address in Cardiff as the Met’s Counter Terrorism Command continues to investigate the attack on Friday September 15, while a search in Surrey has been completed.
Hassan, 18, an Iraqi asylum seeker, appeared at Westminster Magistrates’ Court on charges of attempted murder and using the chemical compound TATP to cause an explosion that was likely to endanger life.
Three men aged 25, and 30, were released without charge over the attack (pictured) on Tuesday after a 20-year-old man was freed on Monday
He allegedly bought parts to make the improvised explosive device online and left the train at Putney Bridge before the device partially detonated at the next station.
Witnesses described how a fireball erupted inside the carriage, leaving 30 people injured, including one woman with serious burns.
Hassan, of Cavendish Road, Sunbury, Surrey, was arrested at the port of Dover in Kent at 7.50am on Saturday September 16 by counter-terrorism officers.
The teenager, whose parents are understood to have been killed in Iraq, was in the foster care of Penelope and Ronald Jones, aged 71 and 88 respectively, who previously received MBEs for services to children and families.
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