4 Injured in Stun Grenade Accident at Moscow Region School

Aug. 18, 2026 A safety drill at a school in Moscow. Alexander Avilov / Moskva News Agency Four people were injured after a stun grenade went off during a school safety drill in the Moscow region, health officials said Tuesday. Regional prosecutors said they were investigating the incident, which took place in the city of Shchyolkovo, located northeast of Moscow. It was not immediately clear how or why a live stun grenade was being used in the drill. The Interfax news agency, citing the regional health ministry, reported that three of the people injured were briefly hospitalized. Officials did not specify whether those injured were students or teachers. Unverified reports suggested all four people were teachers. In January, an accident involving a stun grenade killed one person and injured dozens of others at a police academy in the republic of Komi. Read more about: Moscow region , Accidents Sign up for our free weekly newsletter Our weekly newsletter contains a hand-picked selection of news, features, analysis and more from The Moscow Times. You will receive it in your mailbox every Friday. Never miss the latest news from Russia. Preview Subscribers agree to the Privacy Policy We sent a confirmation to your email. Please confirm your subscription. A Message from The Moscow Times: Dear readers, We are facing unprecedented challenges. Russia's Prosecutor General's Office has designated The Moscow Times as an "undesirable" organization, criminalizing our work and putting our staff at risk of prosecution. This follows our earlier unjust labeling as a "foreign agent." These actions are direct attempts to silence independent journalism in Russia. The authorities claim our work "discredits the decisions of the Russian leadership." We see things differently: we strive to provide accurate, unbiased reporting on Russia. We, the journalists of The Moscow Times, refuse to be silenced. But to continue our work, we need your help. Your support, no matter how small, makes a world of difference. If you can, please support us monthly starting from just $2. It's quick to set up, and every contribution makes a significant impact. By supporting The Moscow Times, you're defending open, independent journalism in the face of repression. Thank you for standing with us. Once Monthly Annual Continue Not ready to support today? Remind me later. × Remind me next month Remind me Thank you! Your reminder is set. We will send you one reminder email a month from now. For details on the personal data we collect and how it is used, please see our Privacy Policy. Read more Fire Engulfs Elite Penthouse in Central Moscow The blaze broke out at the Roma Rossa residential complex, designed and furnished by award-winning Italian architect Piero Lissoni. 1 Min read 2 Arrested After Deadly Office Fire Near Moscow Six people were killed when the top floors of the former Platan Research Institute building caught fire in the Moscow region town of Fryazino. 1 Min read At Least 8 Killed in Moscow Region Hostel Fire Police launched a criminal investigation into negligent homicide following the incident. 1 Min read Deputy Mayor, Plant Managers Detained Over Major Power Outage in Moscow Region Podolsk’s deputy mayor was accused of abusing power when he issued a certificate of readiness for a boiler house that broke down. 2 Min read