GUY, Texas- Fire fighters responded to a large grass fire in Fort Bend County on Wednesday evening.

A video posted on Brandon Miller's Twitter account showed large flames and smoke around 6:30 p.m. Guy is a rural area located south of Rosenberg.

According to the Fort Bend County Sheriff's Office, they aren't sure what caused the fire but believe cigarettes may have played a role.

The National Weather Service warned of the possibility of wildfires on Wednesday.

FBCSO said there was no shelter in place at this time.