While being detained for fare evasion, a man became resistive and had to be placed into handcuffs after a physical struggle. Prior to the altercation, the suspect slapped the officer's hand. There were no injuries, and the subject was cited for fare evasion and placed into custody for resisting arrest. A sergeant arrived at the scene to approve the arrest and debrief the suspect. The suspect was issued a 30 day BART prohibition order. Due to having an asthma attack, the subject needed medical attention and was transported to San Francisco General Hospital prior to booking.