(CNN) As Russians struggle to come to terms with a horrific US-style school shooting in Crimea, which has left at least 20 people dead and dozens injured, Kremlin-controlled media are blaming the "corrupting influence" of the West for inspiring the attack.

State television has broadcast shocking images of the rampage, much of it recorded by teenage college students trying to flee the suspected lone gunman, named as 18-year old Vladislav Roslyakov, as he stalked the corridors shooting classmates.

Broadcaster RT, funded by the Kremlin, has spoken of the "shocking resemblance" between the Kerch attack and the 1999 Columbine High School shooting in the United States.

It is for investigators to establish a link, RT says. But alongside photographs of the shooters in both incidents, wearing strikingly similar outfits, RT points out that the perpetrators of both attacks were the same age, hit their school cafeterias with explosive devices, killed their classmates and finally committed suicide in their school libraries.

Medical workers treat injured people outside the college building in Kerch, Crimea.

In other media, the blame for the Kerch attack was more directly focused.

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