Police in Derry arrested a 17 year-old in Derry on Friday night on suspicion of shining a laser light at a police helicopter.
Superintendent Mark McEwan said: “The arrest was made on suspicion of endangering the safety of an aircraft.
“The police helicopter was above the city in support of officers responding to reports of suspicious activity on the ground.
“The seventeen year old boy was spoken to in the presence of his parents.”
The police helicopter was helping officers on the ground after reports of suspicous behaviour in the Galliagh Park area. No arrests were made and no offences were detected.