A day after a helicopter carrying Ukraine's interior minister crashed near Kyiv an investigation has begun into the causes. A child on the ground was among the victims.
Ukraine's New Year's Day strike on Russian-controlled Makiivka in eastern Ukraine has reportedly killed some 400 Russian soldiers. However, Moscow has acknowledged the deaths of 63 soldiers, a figure Russian war reporters dispute.
Ukraine's president released a video message with footage of Russia's attacks on the country and words of pride for Ukrainians withstanding attacks, darkness and cold.