- 15 updates
A man arrested after abusive comments about the Finsbury Park attack were made on social media, has been freed without charge.
South Wales Police detained a 37-year-old man after a tweet was posted stating: 'shame they don't hire out steam rollers or tanks could have done a tidy job then'.
The man behind the tweet is alleged to be Richard Evans, the son of one of the directors of Pontyclun Van Hire - whose vehicle was used in the attack.
Lee Evans, who runs the van business, said he was "shocked and saddened" by the attack.
Darren Osborne, 47, from Pentwyn, Cardiff, is being held on suspicion of the commission, preparation and instigation of terrorism, attempted murder and murder.
Police have been granted until Saturday to question him at the South London Police station where he is being held.
Read more: Man arrested after abusive comments made about London mosque attack
Faith leaders from across Wales met at the at Darul Isra Mosque in Cardiff on Monday evening to form a human chain in a display of solidarity with the Muslim community.
Those in attendance included Arch Deacon Peggy Jackson, Rev Michael John (area Dean for Llandaff), Dr Eva Elliot (Cardiff University and Canton Uniting Church), Father Tony Furlong (St Peters RC Church), Rabbi Rose (Cardiff United Synagogue) and Jon Cox (CitizensUK).
Searches are being carried out at a residential address in the Cardiff area in connection with the London mosque attack, Scotland Yard have said.
A 47-year-old man, named locally as Darren Osborne from Cardiff, who was arrested over the attack has been further arrested on suspicion of the commission, preparation or instigation of terrorism including murder and attempted murder.
Latest ITV News reports
Makram Ali, 51, died of multiple injuries at the scene of the terror attack after a van crashed into a group of people near a mosque.
Detectives have been given more time to question a man from Cardiff arrested in connection with the Finsbury Park attack.