Bossier City — Portions of the filming for “Olympus Has Fallen” in and around the “White House” set on Walker Place on Wednesday, Thursday and Friday will involve special effects work including periodic explosions and smoke. Please do not be alarmed by these noises!

Also, starting Wednesday morning, Walker Place from Barksdale Boulevard to the A.R. Teague Parkway will be closed through August 3 due to the productions.