At approximately 3:45pm today, an off-duty Boston police officer jumped into action at 45 Sierra Road in Hyde Park. A lifeguard was alerted to a teenager unconscious at the bottom of a pool. The off-duty officer called 911 while the lifeguard pulled the male teen out of the 14-foot deep end. A bystander initiated CPR and the officer assisted by performing chest compressions. Within a few minutes, the teen regained consciousness and was transported by EMS to Boston Medical Center.
