Police arrest man, 38, at Heathrow Airport in connection with Manchester Arena attack

The man is the 19th person arrested in the terror attack that killed 22.

"The arrest was planned beforehand and there was no direct threat to the airport," police said in a statement. The suspect is currently in custody.

Seven men remain in custody for questioning, police said.

Grande headlined the One Love Manchester benefit concert on Sunday, two weeks after the attack, which raised more than $3.5 million for the victims.