Rob Sewell, editor of Socialist Appeal, replies to sectarian slanders and points the way forward for the unions in the fight to reclaim the Labour Party, defend Jeremy Corbyn, and fight for socialist policies.

A week ago, Catalan and Spanish society was shaken by two deadly terrorist attacks in Barcelona and in the town of Cambrils. The forces of reaction immediately seized the opportunity to spread their racist venom, to sow fear and division, and to promote repressive measures at home and step up their imperialist interventions abroad.