A police K-9 demonstration and presentation by members of the Special Weapons and Tactics team, among other activities, will be held Tuesday night in Cheektowaga Town Park, as part of the 30th annual National Night Out.

While organized activities in the park are scheduled for 6 to 8 p.m., flashlight walks in neighborhoods begin at 9 p.m. Residents townwide are encouraged to lock their doors, turn on outside lights, and spend time outside with neighbors and police.

Held annually on the first Tuesday in August, National Night Out, also billed as “America’s Night Out Against Crime,” began in 1984, with participation by 400 communities in 23 states. This is the 27th year that Cheektowaga has been involved.

Also this week:

• The Diva Show will perform hits from the 1950s to current times in a concert beginning at 7 p.m. today at the Casimir Pulaski Cultural Center in Cheektowaga Town Park. In case of rain, the concert will be moved to the Lions Club Pavilion next door.

• The Maryvale School Board meets at 6 p.m. Monday in the board room of the Samuel R. Bennett Administration Building, 1050 Maryvale Drive.

• The Town Board meets at 6:45 p.m. Monday in Council Chambers at Town Hall, 3301 Broadway.

• The Cheektowaga Central School Board meets at 7 p.m. Tuesday in the board room at Cheektowaga Central High School, 3600 Union Road.

• Performances of “#a day in the life,” a student-written anthology, will be performed at 3 p.m. Wednesday and 7 p.m. Thursday in the auditorium at Villa Maria College, 240 Pine Ridge Road. The 25 performers participated in Over the Edge, a Summer Teen Theater Workshop for youth from Buffalo’s East Side and Cheektowaga. Tickets for the performances are $2 at the door.

• The Stogie Brothers will perform at 7 p.m. Thursday in Griffith Park in Sloan. Admission is free; bring a blanket to sit on.