On Saturday night, April 8, police responded to reports of gunshots at the cooperative supermarket
Preston Road in Harrow was closed in both directions as responding officers established a cordon.
As the cordon remained in place between 9:19 p.m. on Saturday and 5 a.m. on Sunday, at least three bus routes had to be diverted.
The 79, 204, and 223 buses were all directed to take a different route while police conducted their investigations.
A Metropolitan Police spokesperson said: Officers arrived at the scene around 8:20 p.m. in response to “reports of a firearm discharge on Preston Road in Wembley.
“Officers attended,” the spokesperson added. There were no injuries reported. “Inquiries are still ongoing.”