A video of the brawl showed one man being knocked to the floor and later stomped on.
Some local news outlets reported Subbotin went in search of a hangover cure allegedly involving toad poison before his death, but these claims have not been substantiated.
"Claire also faces a long and challenging recovery, and our hope is to give her the best resources possible for her ongoing healthcare needs," her family wrote.
Video of the confrontation shows three protesters run over and sit at their table during a rally in St. Petersburg.
The City of St. Petersburg Police Department announced that, beginning October 1, a Community Assistance Liaison would respond to reports of a drug overdose, intoxicated person, mental health crisis, suicide crisis and disorderly juvenile.
More than 150 people had to be evacuated from St George's hospital in St. Petersburg.
Jesse Austin Millis-Dwyer, 25, of St. Petersburg, was detained by local police on December 6 and hit with more than a dozen charges, including sexual battery on a child less than 12.
The five men were arrested on November 28 in a forest near Vyborg, by Russia's border with Finland.
Oleg Sokolov, 63, fell into St Petersburg's Moika river with a backpack that contained Anastasia Yeshchenko's arms, in addition to the shotgun used to kill her.
A couple from New Zealand have spoken of the fear they felt after evacuating a Russian vessel sailing from St. Petersburg.
The Russian president disclosed the information before firing a cannon to mark his country's Orthodox Christmas.
Sparked by a viral New Year's Eve fight video at a St. Petersburg location, McDonald's cashiers, cooks and custodians in Florida staged a walkout protest Tuesday morning.
Outraged viewers of a video showing a white McDonald's customer assaulting a young black female employee are demanding the store manager be fired for not helping his co-worker.
Former pageant queen has decried manspreading as an act of "gender aggression" and taken matters into her own hands.
He has been hard at work whitewashing the Soviet period of Russian history.
Actress Ornella Muti was found guilty of aggravated fraud.
Russia's ruthless counterterrorism approach has not stopped terrorism.
Russians were outraged at Tuscan vineyards for high-ranking officials while they were counting pennies.
Shots and two explosions were reported in St Petersburg Wednesday morning.
Germany's foreign minister does not think Russia can be Turkey's alternative to NATO.