From Our Own Correspondent

A year ago Wuhan imposed a lockdown on its citizens, as reports filtered through of the first human-to-human transmission of a new strain of Coronavirus. A delegation from the World Health Organisation has now arrived in Wuhan to investigate the origins of the outbreak. Robin Brant returned to the wet food market in the city where life has returned to normal - almost. Washington was transformed into a fortress this week – both for visitors and residents alike in the lead up to the inauguration of President Joe Biden. Aleem Maqbool reflects on the contrast between the ceremony this week – and that of 2016. Russia's opposition leader, Alexei Navalny, returned to Moscow having recovered from a nerve-agent attack, which he blames on the Kremlin. He was arrested upon arrival and placed in pre-trial detention for 30 days in what could have been seen as a blow to the opposition. But – undeterred, they had something else up their sleeve, as Steve Rosenberg reports. Last weekend bouts of violence erupted on the street