Dubai's Sheikh Rashid, 33, died of a suspected heart attack on Friday
Untimely death: Dubai's Sheikh Rashid died aged 33 of a heart attack at home on Friday morning
The prince was laid to rest on Saturday at the Umm Hurair Cemetery
Rashid was in line to rule Dubai but crown prince title was stripped in 2008
His younger brother, Sheikh Hamdan, 32, was made the heir in his place
Leaked diplomatic cables accused Rashid of murdering an aide at the Palace
Rumours of drug abuse have long circulated in Emirati high society
The prince is thought to have been unmarried, as are his brothers