Firefighters in San Bernardino County, California work to put out a fire north of Big Bear Lake that has reportedly burned over 300 acres. (Credit: San Bernardino County Fire/TMX) #foxnews #news #us #fox #shorts #wildfires #firefighter #californianews #californiafires #fire #fires #firefighters #flames #usa #sanbernardino #sanbernardinocounty #shorts Subscribe to Fox News: https://bit.ly/2vBUvAS Watch more Fox News Video: http://video.foxnews.com Watch Fox News Channel Live: http://www.