Complex sentence: In June 1999, during a protest of more than 400 persons blocking an expressway in Hialeah, the city's then police chief, Rolando Bolanos, was hit in the head with a rock.
Split into simpler sentences: In June 1999, during a protest of more than 400 persons blocking an expressway in Hialeah. Hialeah's then police chief, Rolando Bolanos was hit in the head with a rock.