Complex sentence: In March of 1947, the leader of the Arab Forces in Jerusalem, Abd al-Qadir al-Husayni, threatened to blow up the hospital, and despite not carrying through, attacks were carried out on traffic to and from the complex.
Split into simpler sentences: In March of 1947, the leader of the Arab Forces in Jerusalem, Abd al-Qadir al-Husayni, threatened to blow up the hospital. He did not carry this threat through, but attacks were carried out on traffic to and from the complex.