Evacuations have been ordered Monday morning because of a five-alarm grass fire in Pacifica, authorities said. The fire was reported at 3:35 a.m. in brush and vegetation on the 1100 block of Fassler Avenue near Highway 1. Fassler is shut down between Roberts Road and Terra Nova Boulevard. Homes in the area are threatened, are evacuations have been ordered. Check back at sfgate.com for updates. Henry K.