The phrase "arrested under terrorism" is correct and usable in written English.
It can be used in contexts discussing legal actions taken against individuals suspected of involvement in terrorist activities.
Example: "The authorities announced that several suspects were arrested under terrorism charges following the investigation."
Alternatives: "detained for terrorism" or "apprehended on terrorism grounds".
Four of the five were arrested under terrorism laws on board the plane shortly after it landed, the police said.
Ibrahim Hassan, 31, was arrested under terrorism legislation minutes after recording an interview at the BBC's headquarters.
It emerged that ministers are advocating a more draconian approach in the case of those arrested under terrorism legislation or national security provisions; their DNA profiles will in future be kept indefinitely.
The home secretary said it "raises too great a public safety concern" to consider allowing the courts to release some suspects arrested under terrorism legislation passed in 2000.
He was then arrested under the Terrorism Act 2000 on suspicion of the commission, preparation or instigation of acts of terrorism.
"Then they said I was being arrested under the Terrorism Act and produced a piece of paper.
Last week Chambers was arrested under the Terrorism Act 2000 and questioned for seven hours before being released on police bail.
A serving British soldier has been arrested under the Terrorism Act after a device believed to be a nail bomb was found at a house in Salford.
He was arrested under the Terrorism Act and was held for almost five days in the PSNI's serious crimes suite in Antrim police station.
They were then arrested under the Terrorism Act by officers from Cumbria Police and held in custody in Carlisle overnight before being transferred to Manchester to be dealt with by the North West Counter Terrorism Unit.
A week after posting the message on the social networking site, he was arrested under the Terrorism Act and questioned for almost seven hours by detectives who interpreted his post as a security threat.
