India, April 10 -- Sienna Parkway in Missouri City, Texas was closed due to an 'emergency' on Thursday.

"Attention Missouri City! Sienna Parkway is closed due to emergency. Please avoid the area," the notification from the The City of Missouri City, Texas read. A follow-up notification said "The incident has been contained on Scanlin Trace. Sienna Parkway is now open in both directions."

However, the notifications did not detail what kind of emergency had prompted the closure. People online, claiming to be from the area, said there was an active shooter situation, which had prompted the move.

A local youth football group had posted on Facebook, "Missouri City / Sienna Area. Please stay inside and stay vigilant! There is currently a sus...