Complex sentence: The battle is said to have lasted several days, it resulted in major losses on both sides, including the death of Al-Nu'man ibn Muqrin and the Persian general Mardanshah and Piruz Khosrow.
Split into simpler sentences: The battle is said to have lasted several days. It resulted in major losses on both sides, including the death of Al-Nu'man ibn Muqrin and the Persian generals Mardanshah and Piruz Khosrow.