Russian authorities will investigate a league game between Terek Grozny and Krylya Sovietov Samara following match-fixing allegations.

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"I watched this match and I didn't like what I saw," president of the RFU Vitaly Mutko said.

"The RFU's ethics commission will now take a closer look at it but in any case, the special forces (police) have to deal with it.

"We'll also talk to Samara officials."

Several online betting companies, including the British firm Betfair, reported irregular betting patterns for Saturday's match in Grozny before suspending betting altogether.

Chechen club Terek beat Samara 3-2 to ease relegation worries.