Blue Lights renewed for two more instalments ahead of series two broadcast

Three police officers stand in front of a grey background. Superimposed below them is a cityscape, with blue flares of light

The show follows three new recruits to the Police Service of Northern Ireland (PSNI). For Grace, Annie and Tommy, every day is different, and none are easy. The first series followed them on their probation period as they got to grips with the job, including dealing with the criminal McIntyre gang.