Complex sentence: An agreement between those four parties was reached on 8 January 2012; however, in the evening of the 9 January 2012, LGV announced it would not support Janković as the new Prime Minister in the secret confirmation vote.
Split into simpler sentences: An agreement between those four parties was reached on 8 January 2012. However, in the evening of the 9 January 2012, LGV announced it would not support Janković as the new Prime Minister in the secret confirmation vote.