WATCH: Vladimir Putin, 73, suffers coughing fit and struggles to speak in new video
There has been widespread speculation over the Russian leader's health in recent years
There has been widespread speculation over the Russian leader's health in recent years
The president's disappearance from the public eye has sparked renewed questions about his health
One Nato official has warned of a 'very, very sudden danger' as hundreds of thousands of 'crazy' ex-convicts risk pouring in