Russia has arrested a woman suspected of blowing up a prominent war blogger in a St Petersburg cafe as nationalist politicians and commentators accuse Ukraine of the crime and called for retribution.
A Russian air strike has badly damaged a children's hospital in the besieged Ukranian port city of Mariupol, burying patients under rubble and injuring women in labour, Ukraine says.
A suspected terrorist who blew himself up with a homemade bomb outside a hospital in northern England was a Christian convert who reportedly had an asylum claim rejected in 2014.
An Islamic State suicide bomber has struck at a mosque packed with Shi'Ite Muslim worshippers in northern Afghanistan, killing at least 46 people and wounding dozens in the latest security challenge to the Taliban as it transitions from insurgency to governance.
A school for girls has been blown up in northwestern Pakistan in the first bombing targeting female education in several years, weeks after the Taliban takeover of Afghanistan.
