PITTSBURGH - A fight at a gas station on Pittsburgh's North Side was recorded on video and went viral on social media. Police said multiple people are now facing criminal charges, and the videos led to a protest Saturday and Sunday. For the second straight day, dozens of people gathered outside two Pittsburgh gas stations to protest the owners. Police also were back at the Exxon gas station after they said two customers were violently attacked by an owner and employee. Officers went into the gas station as they continue their investigation, collecting evidence throughout the day. On Sunday, protesters...