Vegetation fire burning near I-80 in Vacaville

Crews are battling a four-alarm vegetation fire burning along I-80 in Vacaville.

The blaze began early Friday afternoon and quickly grew to four alarms, jumping I-80 at Midway in the process.

All lanes of westbound I-80 were blocked for a period of time.

There is no word on what caused the fire.

This is a developing story, refresh for updates.