Complex sentence: Other reports at the time say over 2,000 were killed by rioters and police and Malayian Army rangers mainly in Kuala Lumpur many of the dead were buried in the KL general Hospital grounds in unmarked graves quickly by soldiers of Malaysian Engineers.
Split into simpler sentences: Other reports at the time say over 2,000 were killed by rioters and police and Malaysian Army rangers mainly in Kuala Lumpur. Many of the dead were buried in the Kuala Lumpur General Hospital grounds in unmarked graves quickly by soldiers of Malaysian Engineers.