A doctor with decades of medical experience was fighting for her life last night after she and her husband were ambushed by gunmen as she drove towards their Champs Fleurs home after midnight.

But as a gunman shot Dr Dorothy Williams-Chandler through her car, an off-­duty prison officer who was driving behind her intervened and killed the shooter with his licensed firearm.

‘be our brother’s keeper’: Homeland Security Minister and Tunapuna MP Roger Alexander addresses guests yesterday at his constituency’s Independence Day event at his El Dorado office. —Photo: ROBERT TAYLOR