Firefighters from multiple agencies knocked down three different vegetation fires in the Livermore area on Thursday.
The largest incident was a wildland fire that burned 28 acres on Sandia National Laboratories property off Thunderbird Lane after breaking out around 11:15 a.m., according to the Alameda County Fire Department. No injuries were reported, and the cause is unknown.
That blaze was preceded by a 1.5-acre vegetation fire around 10:55 a.m. in the 19000 block of Mines Road that also damaged four grow houses, ACFD said. No injuries occurred; the cause remains under investigation.
The final incident was a three-acre wildland fire that ignited around 3:10 p.m. after a car fire spread to nearby grassland at Greenville Road and westbound Interstate 580, according to ACFD. There were no injuries reported.
Providing assistance with the ground and aerial firefighting attacks were Cal Fire, Livermore-Pleasanton Fire Department, Tracy Fire Department and Camp Parks Fire Department.