RIYADH: Custodian of the Two Holy Mosques King Abdullah has undergone a successful operation in New York Presbyterian Hospital, a Royal Court statement said Wednesday.The surgery removed a blood clot and “rectified the slipped disc.” “Thank Allah the operation was successful. May Allah grant the Custodian of the Two Holy Mosques good health and joy!” the Royal Court statement added.US President Barack Obama called the king on Tuesday, wishing him good health and early recovery.News sites in the Kingdom have also been flooded with “get well” messages to King Abdullah from Saudis and expatriates alike since he left for the United States on Sunday – Arabnews