A 38 year old man was arrested on terror charges at Heathrow Airport in connection with the Manchester Arena bombing.
earlier this evening. He was taken into custody as part of a planned operation, Greater Manchester Police (GMP) said.
The force said there was no direct threat to the airport.
It was the 19th arrest in the probe into the 22 May attack that left 22 dead.
GMP announced the arrest via twitter "The 38-year-old was arrested on suspicion of offences contrary to the Terrorism Act and remains in custody," .
"The arrest was planned beforehand and there was no direct threat to the airport."
With files from The Independent