Moving the car killed the kittens hiding in its motor

Q 3: One day I unintentionally killed some cats that were hiding in my car engine. Is there any sin on me? Enlighten us may Allah grant you a good reward and guide your footsteps!

A: There is no blame on you as you did not kill the cats intentionally.May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.