'I run from one war [Taliban invasion in Afghanistan], come to another country [Ukraine] and another war starts. Very bad luck,' an Afghani man told AFP.
Ukrainian president Zelensky confirmed in a televised message that 16 Ukrainian children have been killed and 45 injured in the four days since the Russian attack began.
Authorities are also urging residents to be on the lookout for unusual individuals prowling their communities, who may be leaving aerial hints for their Russian associates.
The viral photo shows long queues at a Metro station in Moscow as commuters were unable to use payment services such as Apple Pay, Google Pay and Samsung Pay to pay for fares.
Ukraine's President Volodymyr Zelensky in a late-night address accused Russia of war crimes and said that using vacuum bombs was a "violation of all conventions."