US National Security Advisor Jake Sullivan cautioned Sunday that Russia will face”consequences” when hunger-striking Kremlin critic Alexei Navalny expires.

Jailed opposition leader Navalny,” President Vladimir Putin‘s most prominent competition, has been detained in January up on returning to Russia after recovering by an near-fatal poisoning attack he says was hit by Moscow.

“In regard to the particular measures we’d tackle, we’re taking a look at an assortment of unique costs that we’d enforce, and I am going to telegraph that openly now,” Sullivan told CNN.

“However, we’ve expressed that you will have impacts in case Mr. Navalny expires”

The 44-year-old Russian began a hunger strike on March 31 to require proper treatment for spine pain along with numbness in his hands and legs on.

On Saturday, Navalny’s doctors said that his health rapidly deteriorated and required prison officials give immediate access.

“Our patient may die any moment,” cardiologist Yaroslav Ashikhmin said, pointing into Navalny’s high cholesterol ranges and saying he ought to be transferred to intensive maintenance.

Both the France and Germany on Sunday combined a growing global chorus of protest in Navalny’s treatment.

Sullivan reported the White House had informed that the Kremlin which Moscow could be”held responsible by the global community” for that which goes on to Navalny whilst at Russian custody.

US President Joe Biden said Saturday the Navalny’s situation was”totally unfair,” however he’s facing criticism for not only bringing the dissident’s treatment in a telephone call to Putin a week or being forthright in his public opinions.

Sullivan stated that the White House had made its stance clear to Russia directly and “the ideal method to manage this specific matter is independently, and during diplomatic stations directly into the upper most levels of the Russian administration ”