Around 7.45 am yesterday in Camp area, lives of more than 65 passengers were at risk when a PMPML bus experienced sudden brake failure. The bus was making its way from Hadapsar depot to Malwadi when the brakes refused to operate at a turning on Golibar Maidan Chowk. Realising the impending danger, driver Ganpat Aaglave alerted the conductor Mayur Mindhe who stood near the front door screaming for help.