Original Material
Navalny aide Leonid Volkov attacked in his home, maced with tear gas and struck with a hammer

Leonid Volkov, a close associate of the murdered Russian opposition leader Alexei Navalny, was assaulted outside his house with a hammer earlier today, according to members of Navalny’s team. Volkov currently resides in Vilnius, Lithuania.
“Leonid Volkov @leonidvolkov has just been attacked outside his house. Someone broke a car window and sprayed tear gas in his eyes, after which the attacker started hitting Leonid with a hammer. Leonid is now at home, police and ambulance are on their way to him,” tweeted Yulia Navalnaya's spokeswoman Kira Yarmysh.
The report of the attack was also confirmed by Anti-Corruption Foundation director Ivan Zhdanov. He published photos of the aftermath of the attack on Volkov on Telegram: