Complex sentence: Unusually, however, Wells was defeated by Lynn Verge in his own riding of Humber East despite having led his party to victory--a member of his caucus, Eddie Joyce, thus resigned and Wells was acclaimed to office in the riding of Bay of Islands.
Split into simpler sentences: Unusually, however, Wells was defeated by Lynn Verge in his own riding of Humber East despite having led his party to victory. Consequently, a member of his caucus, Eddie Joyce, thus resigned and Wells was acclaimed to office in the riding of Bay of Islands.