Boston: A pedestrian receives a badly injured foot when she is struck by a speeding car; An EMS dispatcher was broadsided by another motorist; An electrician was burned in a flash fire; A man injures his hand when he punches a wall in anger; A man trying to rescue a cat on his roof fell and injured his ankle; A drunk man falls down hard on the sidewalk; Another drunk has been beaten up in a drunken street fight; A cancer patient who has just returned home from the hospital has a malfunctioning oxygen machine.