Firefighters have contained two wildfires sparked by lightning yesterday in Red Rock Canyon. The Bureau of Land Management says the 25-acre Diamond fire and the 45-acre Carpenter fires are in mop-up mode – with no structures threatened and no injuries reported.The Diamond fire started with a lightning strike about mid-afternoon yesterday on Blue Diamond Hill. It sent up a big cloud of smoke about 20 miles west of Las Vegas, but crews contained it quickly. The Carpenter fire was started with a bolt of lightning during a storm last night in the lower part of Carpenter Canyon. There are 20 firefighters on it today.