голубой огонёк(популярная новогодняя телепередача a popular television broadcast on New Year's (the "blue light" refers to the blue glow of the television screen))
машина, оснащённая проблесковым маячком и сиреной(is a colloquial British phrase referring to the blue flashing lights and two-tone siren of a police car or other emergency vehicle which is responding to some incident КГА)