Erdogan: There are only two leaders left in the whole world, me and Putin
"I have completed 22 years in the presidency. Putin is catching up. All the others have been neutralized or gone," the Turkish president said
Vladimir Putin: We may even hit the center of Kiev with Oreshnik missiles
"If we have to go on a massive attack with Oreshnik missiles, then the strike will resemble a nuclear attack", Putin said
Angela Merkel’s revelations: Ukraine war, Trump, and Greek crisis insights
Insights from Merkel's memoir "Freedom," exploring pivotal moments with Putin, Trump, and Tsipras during her 16-year chancellorship