Hamas: Haniyeh underwent successful unspecified surgery

Hamas Prime Minister Ismail Haniyeh has undergone surgery and is back at work, Hamas announced Sunday. The operation was successful, said the group, but it did not disclose what kind of procedure was performed on Haniyeh. "He has resumed his duties in his headquarters in Gaza and we wish him good health always," Hamas said in a short statement. Haniyeh is not known to be suffering from any health problems.