By David Hunter
Residents in the Lapwing Way area of Derry have reported hearing a mysterious loud bang in the early hours of the morning.
Police have asked anyone who finds anything suspicious to alert officers, and not approach or touch it.
Chief Inspector Paul McCracken said: “Police enquiries are ongoing but as our priority is keeping people safe, we would ask that anyone who knows anything about this incident to get in touch with us.
“I would ask everyone to be vigilant. If anyone finds anything suspicious, under no circumstances should they touch it, they should phone police immediately.
“Please call police on the non-emergency number 101, quoting reference 68 of 14/6/17."
Remains of 300-year-old building complex unearthed by chance on country estate
Fresh Met Office warning for icy conditions across Northern Ireland
Community still in shock over deaths of father and son, funeral told
Hugo Duncan dedicates MBE honour to late mother who raised him on her own
Police concern over large gathering of youths at Belfast interface