Complex sentence: Two days later, the Lebanese Army entered Arsal in full force and re-established control over checkpoints that the militants had previously seized, while another soldier died of his wounds, bringing the military death toll to 18, which was updated to 19 by 12 August.
Split into simpler sentences: Two days later, the Lebanese Army entered Arsal in full force and re-established control over checkpoints that the militants had previously seized. By this point, the military death toll had risen to 18, which was updated to 19 by 12 August.