Washington DC basked in the glow of what Donald Trump billed as the "largest fireworks show in history" last night as America celebrated 250 years of independence. Some 850,000 fireworks are thought to have been lit over DC in a bid to break the world record for shells used in a fireworks show.

Residents of Washington, DC, on Sunday briefly experienced the worst air quality of any major city in the world, according to a company that ranks pollution globally, as the capital reckoned with the aftermath of a massive,