What Triggered the Summons
The Czech ministry pointed to two specific provocations. The first was a report published by Russia's defence ministry, which issued a warning that European countries increasing their drone supply to Ukraine were pulling themselves deeper into the conflict with Russia. Along with that warning came a list of factories and businesses across Europe alleged to be involved in the production of drones or drone-related components. The message was unmistakable — these facilities were being put on notice.

The second provocation came from Dmitry Medvedev, former Russian president and current deputy chair of Russia's Security Council. In a post on X, Medvedev referred to the defence ministry's published list and made clear that, in his view, those named facilities amounted to potential military targets. His closing words were particularly pointed: "When strikes become a reality depends on what comes next. Sleep well, European partners!" It was the kind of remark designed to unsettle, and it did.

Prague Pushes Back
The Czech foreign ministry did not mince words in its response. Officials confirmed the ambassador had been summoned and stated plainly that the statements in question were directed at several Czech companies that had been singled out as possible targets of Russian aggression. Calling in an ambassador is one of the stronger tools in a government's diplomatic toolkit — a signal that a line has been crossed and that the matter is being treated with full seriousness.

The broader context is hard to ignore. As European nations continue debating how far to extend military and logistical support to Ukraine, Russia appears to be deliberately raising the stakes — making clear that it views European industrial involvement in drone production as a legitimate reason to widen the scope of the conflict. For Czech companies now named on that list, and for the government in Prague, that is not a threat that can be quietly set aside.