UPDATE: A grass fire in Vacaville that prompted officials to evacuate homes has been contained, according NBC Bay Area.
No structures have been damaged, according to officials.
Vacaville police say Markham Avenue, Vine Street, Vineyard Hills Court and Alta Mira Drive are still closed.
About 100 homes in Vacaville are being evacuated after a grass fire was reported Saturday afternoon, according to KRON4.
The 1.5-acre blaze was reported at 5:32 p.m. by CA Fire Scanner.
The three-alarm Vine Fire is moving up the south side of Vineyard Hills Court toward homes and apartments on Markham Avenue. Cal Fire has responded.
Check back for further updates on this breaking news story.