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".
Five of the 15 people who were injured in the Stockholm lorry attack have been released from hospital.
Sweden's health service said four of the 10 remaining were seriously injured and two are in intensive care.
It added that the one child still in Karolinska Hospital was not seriously injured.
Four people were killed when the driver of a hijacked truck ploughed into a group of pedestrians in central Stockholm on Friday.
Swedish police said they have arrested a man who is "likely" to be the culprit.
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.