The British man who was killed in the Sweden lorry attack has been named as 41-year-old Chris Bevington.
Two Swedes and a Belgian national were also killed when a hijacked lorry ploughed into pedestrians in Stockholm on Friday.
Rakhmat Akilov, a 39-year-old man from Uzbekistan, has been arrested on suspicion of "terrorist crimes through murder".
The Swedish prosecutor has confirmed that the man suspected of carrying out Friday's lorry attack in Stockholm is a 39-year-old man from Uzbekistan.
Security services had intelligence on him but he was regarded as a marginal character, police said.
He was arrested in the north of the city on Friday after a high-speed police chase.
The main suspect in the Stockholm lorry attack has admitted to carrying out a terror crime, his defence lawyer said.
The Ahlens department store in Stockholm apologised "for a bad decision" in promoting the offer.
The British man who was killed in the Stockholm lorry attack has been named as Chris Bevington.