In November, a train carrying almost 500 people came to a sudden halt in eastern Poland. A broken overhead line had smashed several windows, and the track ahead was damaged. Elsewhere on the line, explosives detonated under a passing freight train. No one was hurt in either case and the damage was limited, but Poland, which blamed the attack on Russia's intelligence services, responded forcefully: It deployed 10,000 troops to protect critical infrastructure. The sabotage in Poland is one of 145 incidents in an Associated Press database that Western officials say are part of a campaign of disruption across Europe masterminded by Russia. Officials say the campaign waged since President Vladimir Putin's invasion of Ukraine in 2022 aims to deprive Kyiv of support, create divisions among Europeans and identify the continent's security weak spots. So far in this hybrid war, most known acts of sabotage have resulted in minimal damage nothing compared to the tens of thousands of lives l