When Menke failed to come home, her friends alerted the police.

His friend, Christian, hitched a ride home and alert the authorities.

He used his citizens' band radio to notify a fellow cabdriver that he had been robbed, and the friend alerted the police.

The child's body was found about 4:30 p.m. after his friend, another 11-year-old boy, alerted a passer-by that the child had been hurt.

Some may want their friends alerted only when they are within one mile, but not 10 miles.

His friends had alerted the police immediately.

A friend at the Pasteur alerted me, but only a half hour earlier.

Worried friends alerted coastguards after Burnett told them his plans and a full-scale alert was broadcast to shipping.

Anyway, my friend alerted me to a message the Bureau got a couple of days ago but dismissed as a crank call.

A friend alerted me and we spoke the magic word and frightened him away.