Thousands of public sector workers have staged rallies during what was billed as Northern Ireland's largest strike in 50 years. <br /> <br />Around 150,000 workers from 16 different unions - including teachers, nurses and train drivers - are protesting over pay and conditions. <br /> <br />Rallies have taken place across the region including in Belfast, Derry, and Omagh. Report by Chahalb. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn
