U.S Secretary of State Hillary Clinton's undergoing treatment at this New York hospital for a blood clot.
The State Department said the clot was linked to a concussion she suffered earlier in December when she fainted.
Officials blamed that on dehydration due to a stomach virus.
Clinton was admitted to hospital on Sunday.
A statement said she would be there for the following 48 hours where doctors were giving her anti-coagulants.
Clinton in hospital (0:29)
Dec.31 - Hillary Clinton is treated for a blood clot blamed on a concussion when she fainted earlier in December. Paul Chapman reports. ( Transcript )