In pictures: Cathal McNaughton's award-winning year

Cathal McNaughton has been named Fujifilm photographer of the year at the Picture Editors' Awards.

Working for the Press Association, he has maintained an outstanding level of quality over a range of assignments. Here, he tells the story behind each of his winning photos.

"This area of Afghanistan is where large numbers of poppies are grown for the production of heroin.

"The sun sets as Afghan national police patrol mountains surrounding the Helmand river valley."