Complex sentence: The Las Conchas Fire started in the Santa Fe National Forest in New Mexico, US on June 26,2011, at approximately 1:00 PM Mountain Time, burning 3,500 acres in the first day.
Split into simpler sentences: The Las Conchas Fire is a wildfire currently burning in the Santa Fe National Forest in New Mexico, USA. The fire started on June 26,2011, at approximately 1:00 PM Mountain Time, burning 3,500 acres in the first day.