An alleged Russian hacker, whose wife told a broadcaster he told her he created a virus "linked to Trump's election win", is detained in Spain at the request of US authorities.

The New York City medical examiner's office says it will not release the cause or manner of death of Russia's ambassador to the United Nations, citing international law and protocol.

US Attorney-General Jeff Sessions seeks the resignations of 46 United States attorneys who were appointed during prior presidential administrations.

When bushfires ravaged the hills around Christchurch in February, children who experienced the 2011 earthquakes were left dealing with yet another disaster.

Makeshift homes and concrete buildings are buried by a landslide which swept through a massive dump, killing 15 and leaving several dozen missing.