The war in Afghanistan is vital to protect British freedoms and national security, John Hutton tells MPs.

Three divers struck by decompression sickness off the Sussex coast are flown to Hampshire for treatment.

After a tough tour of duty in Afghanistan, Jack Mizon returned a troubled man, struggling to stay on the rails back in a British barracks. But can we expect soldiers to go from firefights straight back to ordinary life?

Scientists are attempting to find out what is behind whale strandings.

Scientists are attempting to find out what is behind whale strandings.

A diver is treated for a suspected case of the bends after getting into difficulty in waters off the Isle of Mull.

A diver is rushed to hospital after showing symptoms of decompression sickness.

Australian investigators confirm that an exploding oxygen cylinder blew the huge hole in a Qantas plane last month.

A 19-year-old diver is airlifted to hospital after a dive off the coast of north Devon.

A diver is rushed to hospital after showing symptoms of depression sickness.

Long-term back pain can be relieved through encouraging sufferers to adopt good posture through the Alexander technique, say researchers.

Marine biologists being filmed for a BBC TV series see an astonishing 13 new fish species on an expedition in the Pacific Ocean.

Two divers who billed health trusts for treating fake bends victims are found guilty of swindling the NHS.

Scientists capture deep-sea fish at 2,300m and pull them to the surface alive in a special container.

An exploding oxygen cylinder was the probable cause of a hole in an Australian passenger plane, a safety official confirms.

A Qantas plane makes an emergency landing in Australia, due to a mechanical fault, the second safety scare in days.

Australian officials find fragments of a missing oxygen tank from a Qantas plane that made an emergency landing on Friday.

Qantas boss Geoff Dixon denies corrosion caused a hole in the body of the plane that was forced to land in Manila.

A Qantas plane makes an emergency landing in Manila as a hole in its belly causes it to lose cabin pressure, an official says.

Investigators will be probing corrosion, accidental or deliberate explosion among other things as they search for clues to the hole on Qantas flight QF30.