Singapore has imposed sanctions on Russia on Saturday that include four banks and an export embargo on electronics, computers and military products, in a rare measure by the Asian financial center in response to what it said was Moscow’s “dangerous precedent” in Ukraine.

The small city-state, a worldwide shipping center, does not usually impose sanctions on its own but stated that it would not allow transfer of products that may inflict damage on or oppress Ukrainians, or assist Russia launch cyber assaults in any way.

Its foreign ministry said in a statement that they cannot condone the Russian government’s violation of the sovereignty and territorial integrity of another sovereign state, which specified no date for when the said sanctions would be implemented.

“For a tiny state like Singapore, this is not a theoretical notion, but a hazardous precedent. This is why Singapore has strongly denounced Russia’s provocative attack.”