The device was thrown at a home in Mourne View Park in the early hours of this morning
Detectives in Lisburn are investigating a petrol bomb attack on a flat at Mourne View Park in the early hours of this morning.
Police received a report that a number of petrol bombs had been thrown at a ground floor window of the flat at around 2.30am.
The window was broken and scorch damage caused inside the flat as a result.
No-one was at home at the time of the incident and there were no reports of any injuries.
Three men were seen leaving the area on foot shortly after the incident, one wearing a light coloured hooded top and the two others wearing dark coloured hooded tops.
Police investigating the incident have appealed witnesses.