Complex sentence: In October 2010 KIA commanders informed the BBC that they have "10,000 regular troops and 10,000 reservists", but the BBC had no way to confirm this, and in 2009 Thomas Fuller of the New York Times estimated their numbers at about 4,000 active soldiers.
Split into simpler sentences: In October 2010 KIA commanders stated that they have "10,000 regular troops and 10,000 reservists". In 2009 Thomas Fuller of the New York Times estimated their numbers at about 4,000 active soldiers.