Complex sentence: On April 26, the Arab League escalated its rhetoric, condemning South Sudan's "aggression" and saying Heglig belongs to Sudan, supported Sudan's "right to defend itself", and condemned South Sudan's alleged support of rebels in Sudan.
Split into simpler sentences: On April 26, the Arab League escalated its rhetoric, condemning South Sudan's "aggression" and saying Heglig belongs to Sudan. The Arab League went further to say it supported Sudan's "right to defend itself", and condemned South Sudan's alleged support of rebels in Sudan.