London streets closed off as loud bang heard in Whitehall https://www.gbnews.uk/news/london-streets-closed-off-as-loud-bang-heard-in-whitehall/312326?fbclid=IwAR0hdMTDCob14KcmlxjN-isoTBiGYSm3FSxr1uLQynnYv2x3QUEUKk7K8bI 233 views11:42