Yet another Russian ambassador turns up dead, this time in a swimming pool

Joyce Karam notes: Russia ambassador to Sudan found dead in swimming pool. 4th senior Russian diplomat this year, after UN, India ambassadors, diplo in Greece

KHARTOUM (Reuters) - Russia"s ambassador to Sudan, Mirgayas Shirinskiy, was found dead in the swimming pool at his home in Khartoum on Wednesday, the Sudanese police said.

The ambassador, who was known to have suffered from high blood pressure, is believed to have died of natural causes, a spokesman for the police told Reuters.

Sudan"s foreign ministry expressed its condolences to Russia in a statement, hailing Shirinskiy"s diplomatic efforts.

Reporting by Khalid Abdelaziz, writing by Nadine Awadalla; Editing by Cynthia Osterman and Sandra Maler