1:07 PM PT -- Alberto's fiancee, Paige , is denying Alberto got physical with her and says the whole situation involved a 3rd party ... a female bystander who tried to take a picture.
"WE got the cops involved," Paige tweeted ... explaining, "I'm crying cuz I found out bad fam news & a lady tries take a pic. She gets angry throws a drink on [Alberto Del Rio]"
Paige continued, "Please leave us alone. That's it."Wrestling superstar Alberto Del Rio -- aka Alberto El Patron -- is being investigated for an alleged domestic violence incident at a Florida airport .