Boston Marathon: BBC's Sophie Raworth runs for George Alagiah
21 April 2014 Last updated at 22:06 BST
BBC News presenter Sophie Raworth has run the Boston Marathon in support of colleague George Alagiah, who is receiving treatment for bowel cancer.
After successfully finishing the course, she told Laura Trevelyan she wanted to raise funds for Cancer Research.
''George is a great friend... all I could do, was raise money for Cancer Research,'' she said.