Certification by International Atomic Energy Agency would allow Iran to immediately recoup some $100 billion in assets frozen overseas Source: CBS

Singer's rep says Daniel Dion, 59, died surrounded by his family after battling cancer for several years Source: CBS

Senegalese man suspected of killing Florida woman Ashley Olsen last week in Florence Source: CBS

Republican presidential nomination growing increasingly fractured as primary race becomes more urgent Source: CBS

The Republican presidential candidate traded in packed rallies for retail politics in Iowa, just two weeks ahead of the first caucuses Source: CBS

Haye knocks out De Mori on return

David Haye returns after a three-and-half-year lay-off with a first-round knockout of Mark de Mori in London. Source: BBC