21.   He exited the bank and tried to flee after he was approached by police.

22.   However, police approached him for a spot security check and during an ensuing scuffle, the grenade exploded, police added.

23.   It said the militants opened fire as police approached the hideout.

24.   It said the suspected militants opened fire when police approached the garage that served as their hideout in an east Cairo neighborhood.

25.   Marijuana smokers on famed Ipanema beach are using plastic whistles to sound the alarm when police approach.

26.   Officials said the episode began when police approached a man with a gun on the sidewalk along the fence on the south side of the White House.

27.   Police had approached the house because there were children inside, said Officer Claude Fox.

28.   Several minutes later, police approached.

29.   Students walking alone into the school are not approached by police, but a large group of kids are, and are herded into the van.

30.   The Austria Press Agency said two Austrian police approached the trio as the train was traveling near Neumarkt-Kallham and detained them in one of the compartments.