Hamilton reassures fans: 'Not a mental problem' as he struggles in Austin

Lewis Hamilton revealed details behind his shock Q1 qualifying exit in the paddock of the Circuit of the Americas after the session. The seven-time F1 world champion has had a difficult weekend so far, topped off by a torrid qualifying session where he will start 19th on the grid. Hamilton has vowed to 'keep fighting' despite the bad fortune in his weekend so far.