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A barrister who filmed a motorist admitting threatening to kill him on a camera attached to his cycle helmet has said he is relieved justice has been served.

Martin Porter, 49, was making his regular 30-mile (48km) commute from Berkshire to London in November 2010 when he was abused by a driver who had struggled to pass him.

Scott Lomas, 25, of Feltham, admitted using threatening words or behaviour and was fined £250 at West London Magistrates' Court on 18 January.

Correction 30 January: This report has been amended to clarify the exact charge against Scott Lomas.