two dead in nuclear submarine accident - air purification

Two British sailors died after an accident under an Arctic ice cap on a nuclear submarine and a third person was injured.
Early indications suggest that the accident on the "tireless" involved an air purification device at the front of the submarine, but that the ship "has never been in any danger, the British Defense Ministry said.
"The Ministry of Defense can confirm that an accident occurred this morning on the trafaga class submarine at the Arctic exercise," the report said . ".
"This Tireless submarine has never been in any danger.
Its nuclear reactor has not been affected and has quickly surfaced and is completely safe. ”The hunter-
The killer submarine who participated in joint exercises with the US Navy did not carry nuclear missiles.
The families of the two crew members have been told that the third injured person was flown to the US military hospital.
His injury is not considered life.
He is threatened and is expected to recover completely.
"At this early stage, it was thought that the accident involved an air purification device at the front of the submarine," the ministry said . ".
"The shipping company dealt with the incident quickly and professionally, so that the forward cabin was only damaged by the surface.
"The crew were trained to quickly surface on the ice and did so in a exemplary way.
"All Trafalgar class submarines are equipped with air purification equipment, of which Tireless is one of the seven submarines of the Royal Navy.
The ministry stated that to date, the safety record for these devices is 100, but as a precautionary measure, its use on other vessels is limited until safety inspections are carried out.
Tireless in Devonport, Plymouth, southwest England, was launched on 1984, but the aircraft
As part of the 2001 update, the purification machinery considered to have failed was installed.