EXPLAINER: Were Russian spies behind Czech arms depot explosions in 2014?

On April 17, the Czech Republic expelled 18 Russian diplomats it identified as spies with Russiaโ€™s Foreign Intelligence Service (SVR) and General Directorate of the Armed Forces (GRU).

The Czech foreign affairs and interior ministries said they found evidence that Russian operatives were behind a 2014 explosion at an ammunition depot in the town of Vrbetice, which killed two people.

https://www.kyivpost.com/ukraine-politics/explainer-were-russian-spies-behind-czech-arms-depot-explosions-in-2014.html