Police have called off a search of a house where they were looking for an "extremely dangerous" man wanted in connection with an attempted murder.
Police continue to search for Dominic Abdi
Armed police cordoned off James Street, in Newport, to search for Dominic Abdi, 33, over the attack on Robert Burton, 63, in the Butetown area of Cardiff.
Gwent Police are also investigating an armed robbery at a Chepstow hotel which they believe may be linked.
Police said on Saturday they had completed their search of the house.
Earlier on Friday police released details of Mr Abdi, who they wanted to question about the assault on Mr Burton on Tuesday.
South Wales Police said Mr Abdi was "extremely dangerous" and warned the public not to approach him.
Armed police cordoned off James Street in Pill, Newport
He is wanted for questioning after Mr Burton, who also uses the name Bobby, was discovered with serious injuries in his Cardiff flat on Tuesday at about 1600 BST by police following a call from paramedics on their way to the scene.
Mr Burton remains in a critical condition at the University Hospital of Wales, Cardiff.
Police are also investigating whether an armed robbery at the Beaufort Hotel in Chepstow at around 0900 BST on Friday was linked to the attempted murder investigation.
Officers said an amount of money was taken from the hotel safe before a member of staff was threatened with what is believed to be a firearm. The robber left the hotel in a taxi.
On Friday morning, armed officers cordoned off James Street in the Pill area of Newport while police searches of houses were carried out.
The road was later reopened, although police officers remained outside one of the houses.
Gwent Police said on Saturday that the search had been completed and they had not found Mr Abdi, who they said they wanted to question over the attempted murder and hotel robbery.
Detective Superintendent Paul Kemp , who is leading the inquiry for South Wales Police, said Mr Abdi also uses the surname Hassan.
He added: "We believe this man to be extremely dangerous. Anyone who sees him should not approach him in any way, but should contact the police immediately on 999 or 02920 222111."
Mr Abdi is described as 5ft 8in (1.72m) tall, of medium build with a receding, close-cropped hair style, and is clean shaven.
Police also want to trace anyone who saw Mr Burton between 0900 and 1615 BST on Tuesday, or anyone who saw anything suspicious outside the flats in Loudoun Square, Butetown, between 1330 and 1615 BST the same day.
Police are also appealing to Mr Abdi to come forward with any information he may have.