MERCEDES BATTLES MYSTERY AS HAMILTON, NORRIS CLOSES IN

Original: Mercedes wrestle with one big question as Hamilton and Norris catch up in F1 title race

Mercedes technical director James Allison acknowledges that the team must make a decision regarding their development strategy as Lewis Hamilton and Lando Norris close the gap in the F1 championship.

Mercedes technical director James Allison has admitted that his team faces a choice about their development plans soon.