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Championship leader Lewis Hamilton suffered his first retirement of the year as Sebastian Vettel won the Singapore Grand Prix.

Vettel took his third win of the year in dominant style, controlling the race from start to finish as two safety cars led to hectic action behind.

Hamilton suffered a loss of power while running fourth, dropping down the field before eventually being told to retire.

His Mercedes team-mate Nico Rosberg cut Hamilton's championship lead to 41 points by finishing fourth.

This clip is from 5 live Sport, Sunday 20 September 2015.