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Mortuary videos show how deadly Iran crackdown has become. Video, 00:01:29Mortuary videos show how deadly Iran crackdown has become

What we know about Iran's protests and the crackdown. Video, 00:01:15What we know about Iran's protests and the crackdown

Watch: Moment skier and dog swept along by avalanche. Video, 00:01:51Watch: Moment skier and dog swept along by avalanche

Day of mourning for bar fire victims in Switzerland. Video, 00:00:46Day of mourning for bar fire victims in Switzerland

'He's crazy': BBC speaks to Greenlanders about Trump's threats. Video, 00:01:47'He's crazy': BBC speaks to Greenlanders about Trump's threats

Watch: Buildings in Tehran set on fire as demonstrations spread across Iran. Video, 00:00:45Watch: Buildings in Tehran set on fire as demonstrations spread across Iran