OPINION: There is a sense of the storm clouds gathering as Europe braces itself for the growing possibility of retaliatory cuts in Russian gas supply.

Responding to swingeing sanctions imposed since the invasion of Ukraine, Moscow has already put the squeeze on nations deemed as “unfriendly” and there is a growing chorus of warning that Europe should prepare for the possibility of a complete cessation in Russian supply.

The invasion of Ukraine brought a remarkably cohesive reaction among Western partners, and dissent within the European Union was virtually limited to Hungary, where Prime Minister Viktor Orban has often flaunted his ties with Russian President Vladimir Putin.