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Nikolai Volkoff and Brian Lawler were well known in the WWE ring
Tributes have been paid to three former stars of the wrestling world who died on the same day this weekend.
Brian Lawler, Brickhouse Brown and Nikolai Volkoff all died on Sunday aged 46, 57 and 70 respectively.
The WWE said it was "saddened" to hear Lawler and Volkoff had died, while the National Wrestling Alliance sent its "deepest condolences and sympathies".
US and Olympic wrestler Kurt Angle said it had been "a very sad day in the history of sports entertainment".
Sorry to hear the passings of Nikolai Volkoff, Brian Christopher and Brickhouse Brown. A very sad day in the history of Sports Entertainment. #RIP
— Kurt Angle (@RealKurtAngle) July 29, 2018
Lawler, son of former wrestler Jerry "The King" Lawler, was known for his tag team partnership with Scott Garland.
Their Too Cool duo saw them perform in the late 1990s and early 2000s under the aliases Grand Master s3xay and Scotty 2 Hotty.
Lawler, who was being held in jail in Tennessee on DUI (driving under the influence) and evading arrest charges, was found in his cell on Saturday.
The former wrestler, who was also known as Brian Christopher, reportedly hanged himself and died the following day after his life support was turned off.
Hulk Hogan was among other wrestling stars to pay tribute, thanking Lawler "for always stealing the show".
RIP Brian Christopher thank you for always stealing the show my brother only love HH
— Hulk Hogan (@HulkHogan) July 29, 2018
Nikolai Volkoff was born Josip Peruzovic in what is now Croatia. His WWE character was knownand much hatedfor pretending to be a villainous Russian.
The former wrestler, who was inducted into the WWE Hall of Fame in 2005, died at his Maryland home following a recent spell in hospital.
Women's champion wrestlerand member of the Hart wrestling familyNatalya Neidhart posted on Twitter photos of Volkoff together with a tribute calling the 70-year-old "so special" to her family.
I always loved our conversations backstage ... Nikolai Volkoff was so special to my dad and the entire Hart family. We will miss you, Nikolai. My thoughts and condolences go out to Nikolai’s family. ???? pic.twitter.com/WfMd4FDowb
— Nattie (@NatbyNature) July 29, 2018
Brickhouse Brown was born Frederick Seawright in 1960 and was best known for his association with the National Wrestling Alliance (NWA).
The former pro wrestler, who enjoyed most of his success in the 1980s and '90s, was diagnosed with prostate cancer last year.
His death was confirmed in a Facebook post by former wrestler Luke Graham, whose on-stage brother Eddie Graham was Brown's trainer.
"No false finishes... no more swerves... no more kickouts. After a hard fight... he has left us," Graham's post read.
Wrestler Diamond Dallas Page was among others in the wrestling community to tweet calling Sunday a "super sad day for me and wrestling fans everywhere" following the three deaths.
Today is a super sad day for me and wrestling fans everywhere. I just found out NiKolai Volkoff, Brian Lawler & Brickhouse Brown all passed away today. It literally took my breathe away. My deepest sympathies go out to all their families. God Bless you brothers. Gods Speed DDP
— Diamond Dallas Page (@RealDDP) July 29, 2018