A 39-year-old man has been arrested following a number of security alerts in Derry this morning.
Road closures were in place on Iniscarn Road, Harty Court and Moss Park, while a section of Strand Road was also closed to traffic.
A number of homes in the area were evacuated after suspicious objects were the discovered.
The devices have been declared non-viable following examination.
The man has been taken to the Serious Crime Suite at Musgrave Police Station in Belfast for questioning.
No link to terrorism or the murder of Lyra McKee on Thursday is being suggested
The PSNI have said no further details are available at present.
The security operations at Strand Road and Moss Park are ongoing.
SDLP leader Colum Eastwood said: "Those responsible for dragging families out of their homes onto the street on Easter Sunday morning are nothing but thugs.
"It's well past time these faceless cowards went away and got off the backs of the people in Derry.
"Derry is a wonderful city filled to the brim with talent and hardworking people trying to get on in life - yet these 'hoods' think they can drag us back and continue to limit the opportunities for our people."