Russian police is checking an anonymous English-language e-mail alleging terrorist attacks in Moscow region.

According to the e-mail, on Thursday, August 11 evening, an Iraqi citizen is to arrive at Sheremetyevo Moscow airport to stage a terrorist attack in one of the city’s subway stations.

However, the police does not rule out that the anonymous “well-wisher” is attempting an avenge with a person who might prove to be quite harmless, Interfax reported citing local law-enforcement agencies.

The department of international relations at Turkey’s Police Service, however, noted to have no information on the matter.