Complex sentence: According to Zimbabwean reports their strike came as a complete surprise: with no other means of air defence but machine-guns and light infantry weapons, six ferries were sunk and 600 Burundi and Rwandan troops killed.
Split into simpler sentences: According to Zimbabwean reports their strike came as a complete surprise. With machine-guns and light infantry weapons as the only means of air defense, six ferries were sunk and 600 Burundi and Rwandan troops killed.