spark

During his tenure, Mr Comey sparked a backlash from Democrats when he announced just days before the 2016 presidential election that he was investigating Democratic candidate Hillary Clinton's use of a private email server.

Now, federal prosecutors accuse Jonathan Rinderknecht, 29, of intentionally sparking one of the most destructive fires in California history.

Sources with knowledge of the investigation who were not authorized to speak publicly told The Times that the Lachman fire appeared to have been sparked by fireworks.

The fire was sparked on 7 January near a popular hiking trail overlooking the wealthy coastal neighbourhood.

Ukraine has dramatically increased the number of attacks launched against Russian oil refineries in recent months, sparking fuel shortages and price rises in some parts of the country, the BBC has found.