Moscow, Feb. 18 -- Yulia Navalnaya, the wife of Kremlin critic Alexei Navalny, who died mysteriously in prison, posted for the first time on Sunday after her husband's death.

Taking to Instagram, Navalnaya posted a picture of herself enjoying a moment with Navalny, two days after his death.

The caption of the poignant post read, "I Love You."

Kira Yarmysh, the spokesperson for the late Russian opposition leader, confirmed Navalny's death and demanded that his body be handed over to his family "immediately." Yarmysh also accused Russian officials of lying to delay the process, CNN reported.

Yarmysh's statement comes after the Russian prison service said that Russian President Vladimir Putin's critic, Navalny, died on Friday after he fe...