Police charge Mohammed Mukhtar in connection with an early Saturday morning attack on a 50-year-old woman in an apartment in the Parkside neighborhood.

It seems inconsistent with the Ri Ra security manager’s account of the Harvard student’s last hour, he says.

The answer has implications for the nation’s fleet of attack subs as well as for workers at the Portsmouth Naval Shipyard.

Intense heat and smoke in narrow submarine halls forced fire crews to work in quick shifts to douse the fire.

Heat and and lack of oxygen added to difficulties in getting fire under control.