Grass fire near Mountain House at 90 percent containment

A grass fire Friday morning near Mountain House was 90 percent contained as of 8 a.m., according to fire officials.

The blaze at Mountain House Road and Grant Line Road was reported at 6:47 a.m. and was estimated to be 10 to 15 acres.

No structures were threatened, but smoke drifted toward the Mountain House community, officials said.