US Secretary of State Hillary Clinton has been sent to hospital after the discovery of a blood clot following concussion, a State department spokesman told Reuters.
More top news
Tom Webb, 22, died after receiving a single stab wound to the chest on January 19 this year.
In the run-up to the Rio Olympic Games, ITV News speaks to four Olympic hopefuls in Team GB. Today we profile BMX rider Liam Phillips.
The 36-year-old has not been seen or heard from since Thursday evening.