The Russian invasion of Ukraine has failed to achieve any of its key goals, but this reflects Ukrainian strength rather than Russian weakness. Putin's army remains a formidable threat to Europe that must not be underestimated, writes Peter Dickinson.

The Russian invasion of Ukraine has failed to achieve any of its key goals, but this reflects Ukrainian strength rather than Russian weakness. Putin's army remains a formidable…

"NATO must stand united, strengthen defences and keep backing Ukraine - because if Putin is not stopped, other European nations will be next"