Prince William County Police Department's crime log for Thursday, May 11, 2017.

Single lane closures will occur along northbound Route 29 between Lucas Court and Carver Road in Gainesville in the Lake Manassas area the nights of Monday, May 8 through Wednesday, May 10 from 8 p.m. to 4 a.m. each night for drainage pipe replacement, according to the Virginia Department of Transportation.

Prince William County Police Department's crime long for Wednesday, May 10, 2017 - armed robberies

Prince William County Police Department's crime log for Wednesday, May 10, 2017.

The smell of smoke in a classroom at Washington Reid (K-1) (Pattie ES annex) caused staff to pull the fire alarm at dismissal. Buses were already on campus, so the children were loaded on the buses and sent home without their backpacks (annex only). The alarm was pulled by a staff member who smelled an odor caused by installation of an air conditioning unit on the roof.

The public is invited to attend the PWC Community Expo set for Saturday, May 20, from 11 a.m. to 4 p.m. at the Pfitzner Stadium Complex in Woodbridge. The EXPO could be cancelled for severe weather or lightning. Check pwcs.edu or any PWCS website for event status.

This afternoon, May 9, at approximately 3:20 pm, the fire alarm sounded at Saunders Middle School and the building was evacuated. Officiaals determined that welding work was being done in the stairwell leading to the rooftop. The smoke set off the alarm.

On Wednesday, May 3 at 8:37AM, Prince William County Police Department investigators from the Crash Investigation Unit responded the intersection of Sudley Manor Dr and Sudley Rd in Manassas (20109) to investigate a four-vehicle crash.