A teenager arrested at Liverpool Airport by police investigating the bombing at Manchester Arena has been released without charge.
The 19-year-old was arrested by officers from Greater Manchester Police on July 7 on suspicion of terrorism offences, and released six days later.
Detectives said they have also concluded searches a house in Fallowfield, South Manchester that was cordoned off as part of the ongoing investigation.
Suicide bomber Salman Abedi detonated a homemade explosive device at an Ariana Grande concert in Manchester Arena on 22 May, killing 22 people.
In a statement at the time of the arrest, Greater Manchester Police said: "A-19-year-old man was arrested at Liverpool John Lennon Airport on Friday 7 July 2017. He was arrested on suspicion of offences contrary to the Terrorism Act.
"As it stands 23 people have now been arrested in connection with this investigation, of which two were quickly de-arrested, and 20 were released without charge. One person remains in custody."
In total, 23 people have been arrested in connection with the investigation, all of whom have been released without charge.