| Saint Petersburg, Russia || April 3, 2017 || A suicide bombing in the Saint Petersburg Metro.<ref>http://www.dailymail.co.uk/wires/reuters/article-4377086/Suicide-bomber-carried-St-Petersburg-metro-blast--Interfax-cites-source.html</ref> || 14 | | Saint Petersburg, Russia || April 3, 2017 || A suicide bombing in the Saint Petersburg Metro.<ref>http://www.dailymail.co.uk/wires/reuters/article-4377086/Suicide-bomber-carried-St-Petersburg-metro-blast--Interfax-cites-source.html</ref> || 14 |