Complex sentence: On March 24 Hamid Karzai, President of Afghanistan publicly condemned the act; some diplomats felt that most Afghans learned of the incident through President Karzai's condemnation.
Split into simpler sentences: On March 24 Hamid Karzai, President of Afghanistan publicly condemned the act. Some diplomats felt that most Afghans learned of the incident through President Karzai's condemnation.