Complex sentence: On 17 September, the Army captured the Ayn al-Himma, Al-Maydani, Al-Kubra and Al-Adaima districts, and two days later, they had advanced further, capturing the al-Nabua district and killing 13 rebels in the process.
Split into simpler sentences: On 17 September, the army announced it had captured the Ayn al-Himma, Al-Maydani, Al-Kubra, and Al-Adaima districts. On 19 September, government forces reported that they had advanced further, capturing the al-Nabua district and killing 13 rebels in the process.