GUY FAULCONBRIDGE and SARAH YOUNG LONDON, the world's international financial capital, will enter a tighter COVID-19 lockdown from midnight today as Prime Minister Boris Johnson seeks to tackle a swiftly accelerating second coronavirus wave. The respiratory pandemic, which emerged in China last year and has killed over a million people worldwide, is spreading in most parts of Britain, whose official death toll of 43,155 is the highest in Europe. Anger, though, is rising over the economic, social and health costs of the biggest curtailment of freedoms since World War Two. One former government adviser warned some people would have trouble…