Complex sentence: From December 2005 some within the party were openly questioning his position and calling for a leadership election, and on 5 January 2006 he was informed that ITN would be reporting that he had received treatment for a drinking problem.
Split into simpler sentences: From December 2005, some within the party were openly questioning his position and calling for a leadership election. On 5 January 2006, he was informed that ITN would be reporting that he had received treatment for a drinking problem.