Tuesday briefing: Europe thinks Russia is preparing to test Nato’s limits

In today’s newsletter: Intelligence chiefs warn that Russia’s appetite for risk is growing, as sabotage and other covert attacks target countries supporting UkraineGood morning. As the UN general assembly kicks off in New York later today, we anticipate a heavy focus on the ongoing conflicts in Iran, Ukraine and the Gulf – as well as the inevitable body language analysis of Andy Burnham’s first in-person meeting with Donald Trump.But another related conflict is likely to dominate informal discussions: the intensifying acts of sabotage on European states that are believed to trace back to Russia but deliberately fall below the threshold for military response – a so-called hybrid or “shadow war” with the singular purpose of disrupting support for Ukraine.Yemen | The UK has agreed to provide