April 19, Kathmandu - The United States has warned Russia's opposition leader Alexei Navalny of his health. The United States has warned that Russia could face "serious consequences" if Navalny dies in prison.

Similarly, the United Kingdom, France, Germany and the European Union have also expressed serious concern over the treatment of Navalny. Russian opposition leader Navalny could die "in a few days" if he is not treated properly, according to doctors involved in his treatment

The doctor said that the pain in the back of his body (back and hip) had increased and his knees were in a state of numbness, and he needed immediate treatment. Russia has denied the allegations in a statement issued Friday stating "Similar, baseless allegations concerning Russia's intelligence have been made more than once. Russia's ambassador to Britain, Navalny, has denied the allegations in a statement issued Friday stating "Similar, baseless allegations concerning Russia's intelligence have been made more than once. Doctors said the latest blood tests showed that Navalny could have cardiac arrest or kidney failure at any time. Navalny, a fierce critic of Russian President Vladimir Putin, has been on a hunger strike since March 31. He was jailed last February.

Navalny (44-years-old) was poisoned last August. He returned to Russia five months after receiving treatment in Germany. He was immediately arrested from the airport. Serious critics of President Putin have accused the government of plotting to assassinate him. But Russia has denied the allegations. He is currently being held in the Pokrov prison, about 100 kilometers east of Moscow.