Over the past couple of days two bellicose countries have breached the borders of countries with which they are not at war. The incursions are not similar, but in both cases the consequences are serious. 

At least 19 Russian drones violated Poland’s airspace, bringing the NATO country closer to open conflict than at any time since the second world war, its prime minister said. How the alliance now responds is crucial, as we explain.

Israel used actual bombs to try to assassinate leaders of Hamas who were meeting in Qatar, an ally of America. We assess the consequences for the war in Gaza and for the wider region.