Russian forces advance inside Ukraine: what we know so far

Ukrainian soldiers patrol an area not far from burning military trucks in a street in Kyiv, Ukraine. Russian troops stormed toward Ukraine's capital and street fighting broke out as city officials urged residents to take shelter. Picture: AP Photo/Efrem Lukatsky

• Fighting has reached Ukraine’s capital, Kyiv. Russian forces entered the outskirts on Friday and were threatening from the north-west and east in an attack aimed at seizing the city.