DUBAI, United Arab Emirates — The president of the United Arab Emirates is in a “stable’ condition after suffering a stroke, the state-run WAM news agency reports, citing a statement from the Ministry of the Presidential Affairs.

Sheikh Khalifa bin Zayed Al Nahyan suffered a stroke yesterday the morning. ‘‘He immediately underwent a surgical operation, the ministry said. ‘‘His health is now stable.’’

Sheikh Khalifa, born in 1948, is the eldest son of Sheikh Zayed bin Sultan Al Nahyan, the founder of the seven-emirate U.A.E and the ruler of Abu Dhabi. He became president in 2004 after his father’s death. His brother, Sheikh Mohammed Bin Zayed Al Nahyan, is the Crown Prince of Abu Dhabi, the U.A.E.’s biggest emirate.

The U.A.E. is the third largest producer of the Organization of Petroleum Exporting Countries and the second- biggest Arab economy.