Washington becomes most polluted major city after Trump's 'awesome' Freedom 250 fireworks

Washington became world's most polluted major city between 3 am to 5 am on July 5 after massive Independence Day fireworks show touted by US President Donald Trump-led administration as "awesome". Pyrotecnico, the company hired by the White House's Freedom 250 organisation, had set a goal of breaking a world record by launching 850,000 fireworks on July 4.