European states have been detaining aging Russian tankers.

Putin warned Moscow would respond in kind, in any waters it chooses.

The states cite insurance and flag-registry violations, not a formal blockade, as grounds.

Putin called the restrictions “piracy and banditry” but set no retaliation date.

How each outlet framed it
TASS
Patrushev assesses Western countries heard warning but pursue own interests; predicts they may not yet be 'ready' for reciprocal action but future escalation cannot be ruled out

Sources: TASS