Grenade launcher brought from Ukraine explodes at Polish police HQ, injuring two

Two people, including a police commander, were injured in an explosion at the Police headquarters in Warsaw on Thursday, with reports saying the blast was caused by a grenade launcher, gifted to the country's police chief by Ukraine. RT’s Rachel Marsden brings us the details. <br> <br>------------------------------------------------------------------------------------------- <br>Freedom over censorship, truth over narrative. <br>Follow us on Facebook: https://www.facebook.com/RTnews <br>Follow us on Telegram: t.me/rtnews <br>Follow us on Twitter: https://twitter.com/RT_com