Saturday's top stories in 10 minutes

<p> A deadly mine explosion has rocked northern China, killing at least 90 people according to state media.</p><p> Ten people have been killed in a drone attack on a student dormitory, in Russian controlled Luhansk region of Ukraine.&nbsp;</p><p> Six people killed in an Israeli airstrike in Gaza, including 5 police officers and a 13-year-old boy.</p><p> Around 40-thousand people have been placed under evacuation orders in Southern California over concerns of chemical explosion at plant.</p><p> Premier Danielle Smith insists she wants voters to have a say on holding a referendum on whether to remain in Canada.</p><p> Voting starts today in the BC Conservative leadership race.</p><p> CBS News Radio shuts down after 99 years in service, as parent company Paramount cites budget cuts.</p>