
Rex Features
The comedian apparently forgot where the toilets were in the building and told technicians that he couldn't wait to relieve himself.
"He just whipped out his Johnson and took a whaz into this beaker," a source told The Sun.
Brand reportedly followed the act by throwing pistachio nuts at the technical staff.
A Radio 2 spokesperson commented: "Russell did urinate in a cup in the studio. Someone has shown him where the toilet is."



