PITTSBURG (CBS SF) — Fire crews in the East Bay have stopped the forward progress of a brush fire burning in Pittsburg Monday, according to authorities.

The Cal Fire SCU Twitter account posted about the fire at around 11:19 a.m. Monday, saying the seven-acre blaze was burning on the 700 block of West Leland Road in Pittsburg.

The so-called Leland Fire is burning near John Henry Johnson Park and Highway 4 and was 50% contained. As of 12:10 p.m., the Contra Costa Fire Twitter account posted that forward progress had been stopped on the early season fire.

Fire crews were continuing to work to contain the fire. No structures were threatened and the cause of the fire was under investigation.

Source: sanfrancisco.cbslocal.com.