By Q Radio News
Four men have been arrested under the terrorism act following searches in Derry/Londonderry.
It follows an incident involving at least 12 masked men who fired shots in the Ardfoyle area of the city on Friday May 21.
The suspects, aged between 29 and 42 are being questioned by detectives at Musgrave Police Station.
A number of items have been seized and taken away for further examination.
A PSNI spokesperson said: "Detectives investigating an incident in the Ardfoyle area of Derry/Londonderry on the evening of Friday 21 May have today arrested four men and conducted a number of searches of properties in the City.
"The men, aged 29, 42 and two aged 39, have been arrested under the Terrorism Act and taken to the Serious Crime Suite at Musgrave Police Station for questioning.
"A number of items were seized and have been taken away for further examination.
"The incident involving at least 12 masked men who had gathered in Ardfoyle, just off Bishop Street, was reported to police just before 9pm on Friday 21 May.
"Police subsequently became aware of video footage circulating on social media showing masked men firing shots into the air."
Three people in hospital following road accident near Ballygawley
Number of alcohol-specific deaths at record high
No prosecutions over allegations of false evidence at Bloody Sunday Inquiry
Calls for State apology for Stardust families after unlawful killing verdicts
Lecturers to end industrial action after accepting pay offer