(KMOV) -- Communities throughout the St. Louis area are hosting a National Night Out Tuesday in an effort to stop crime. Below is a list of changes:
-Brentwood rescheduled to August 16
-Kirkwood rescheduled to October 1
-Maryland Heights planning to reschedule event for October
Authorities will focus on cleaning up Parkfield Terrace which is an unincorporated neighborhood near Cahokia. There are 28 abandoned homes that will be demolished.
Authorities tell News 4 Parkfield Terrace is the most violent neighborhood in the county.
The event starts at 7 p.m. Tuesday.