Ferrari confirm technical issue as Hamilton admits 'work to do to improve'

Lewis Hamilton admitted Ferrari have "work to do to improve" as a technical issue interrupted his running on the final day of Formula 1 pre-season testing in Bahrain.

source http://www.skysports.com/f1/news/12040/13318661/lewis-hamilton-ferrari-confirm-testing-technical-issue-as-brit-admits-work-to-do-to-improve-ahead-of-2025-season