Article:Tommy Ward was found badly beaten at his home in Salisbury Road, Maltby, on 1 October 2015. Around Â£30,000 was thought to have been stolen.
He died from his injuries in hospital on 23 February.
A 35-year-old man from Sheffield and a 30-year-old man from Rotherham were arrested on suspicion of murder.
Police later made a further arrest, with a 23-year-old man from Sheffield also questioned.
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The force said the arrests followed several raids in the Aston, Ulley, and Wales areas of Rotherham and in Hackenthorpe and Stradbroke in Sheffield as part of the continuing investigation into Mr Ward's murder.

A summary of the above article is?
Three men have been arrested in connection with the murder of an 80-year-old man who died following a violent robbery at his home.