Complex sentence: In 2012 Robinson announced he had joined the British Freedom Party and was appointed joint vice-chairman along with fellow English Defence League member Kevin Carroll after the two groups agreed an electoral pact in 2011.
Split into simpler sentences: In 2012 Robinson announced that he had joined the British Freedom Party (BFP). He was appointed its joint vice-chairman along with fellow English Defence League member Kevin Carroll after the two groups agreed an electoral pact in 2011.