By Louis Goss A COALITION of trade unions have launched a legal challenge against the government, over claims its new law, allowing companies to bring in agency workers as strikebreakers, breaches the European Convention of Human Rights (ECHR) and violates the UK’s Brexit trade deal. The challenge comes after the government last week overturned laws forbidding companies from hiring angency staff to break strikes, by allowing them to call in temporary workers on short notice. Acting on behalf of twelve trade unions – including Unite, RMT, and GMB – Thompsons Solicitors have written to business …