A Ukrainian commander said the situation in Bakhmut, a city in eastern Ukraine, is "critical" and that there are more Russian troops surrounding the city than there is ammunition to kill them all.Volodymyr Nazarenko, a deputy commander in the National Guard of Ukraine, told Ukrainian NV Radio that the fighting is currently going on "round the clock" as Russians relentlessly push to capture the city, according to a translation from Reuters."They take no account of their losses in trying to take the city by assault," Nazarenko said, adding that Ukrainian troops are trying to "inflict as many losses on the...