 Rosenqvist was third-fastest and Piquet and Jani (who aborted his maximum power lap) were the third group's slowest runners.Prost struck the turn five barrier in group four and collected a trackside sponsorship banner that entangled on his front wing and then his rear wheel.Despite littering debris on the track, marshals did not wave yellow flags, and Jérôme d'Ambrosio collected the barrier which wrapped around his front-left wheel, stopping the session.