Saudi Arabia's 'Sleeping Prince' turns 36, remains in coma 20 years after crash in London

Prince Al-Waleed bin Khaled bin Talal, a member of the Saudi royal family widely known as the 'Sleeping Prince', marked his 36th birthday on April 18. He has been in coma for nearly 20 years following a car accident in London in 2005. He has been on life support at King Abdulaziz Medical City in Riyadh.