A Suffolk man has invented a new way of purifying water which he believes could save disaster victims around the world.
Michael Pritchard was inspired by the 2004 tsunami
Michael Pritchard, from Ipswich, developed the Lifesaver bottle which has a mini-filtration system inside.
This removes bacteria, parasites and viruses, and can handle 6,000 litres before the filter needs changing.
Mr Pritchard came up with the idea after watching people struggling in the aftermath of the 2004 Indian Ocean tsunami and Hurricane Katrina in 2005.
Mr Pritchard said the bottle is able to turn polluted water into drinking water within seconds and means people can have fresh water whatever the circumstances.
The bottle has won a military award for innovation and production is being stepped up.