11.   Los Angeles Police Chief Willie L. Williams called a tactical alert for Tuesday and today to have as many officers as possible on the streets.

12.   Los Angeles police made more officers available by declaring what the department calls a modified tactical alert, said police Sgt. Harold Crossley.

13.   Los Angeles Police Chief Willie L. Williams called a tactical alert for today and Wednesday to have as many officers as possible on the streets.

14.   Los Angeles put its police on tactical alert, keeping all officers on duty.

15.   Police have been put on tactical alert in case of any disturbances.

16.   The LAPD has been on modified tactical alert since the case was turned over to the jury Friday.

17.   The LAPD is on modified tactical alert and has activated its emergency operations center.

18.   The kidnappers drove away with the boy in a red car, managing to avoid detection by police, who had been placed on citywide tactical alert.

19.   When violence erupted Monday night, the Los Angeles Police Department issued a tactical alert, calling in extra officers from all over the city.

20.   In Los Angeles, the police went on tactical alert, and mobilized an anti-terrorist division.