21.   Workmen alerted police after noticing a red car apparently abandoned in the quarry on the Horseshoe Pass between Llangollen and Ruthin.

22.   Police had been alerted about a man said to be in a depressed state who was reported missing from the Carousel Hostel, Marton Road, Middlesbrough.

23.   She rang daughter Patricia Dinsdale immediately after alerting police.

24.   They then took an Astra car but neighbours heard the car being broken into and alerted police.

25.   Police were alerted and a member of the Redcar crew, an offduty police Inspector David Cammish and a psychologist tried to talk him to safety.

26.   An arson investigator who was at the scene gathering evidence from a Christmas Day arson attack on the same building saw the shooting and alerted the police.

27.   An anti-abortion crusader finds out about her plan and alerts the police, and Mary is taken back to Ireland and made a ward of the state.

28.   At some point, the captain alerted state police, who were waiting, with handcuffs, at the airplane door.

29.   A police official familiar with the neighborhood said on Tuesday that the alarm system could prove useful in giving residents an easy way to alert the police to crime.

30.   A passer-by recognized Turner from a police sketch and alerted the police, the detective said.