Complex sentence: During this engagement all available OSG from Central and South Western Region were mobilised and over four days and nights in full riot gear they contained the mainly government housing estates and made numerous arrests for serious offences including assault, riot and affray.
Split into simpler sentences: During this engagement all available OSG from Central and South Western Region were mobilised. Over four days and nights in full riot gear, they contained the mainly government housing estates and made numerous arrests for serious offences including assault, riot and affray.