THE Northern Ireland Prison Service has said an 'ongoing search operation' is currently underway at Maghaberry prison. The Irish Republican Prisoners Welfare Association said earlier today that visits had been cancelled at the prison and that concerned family members had received no calls from prisoners. Tensions have been rising recently within the prison's Republican Roe House block. Republicans say that prison chiefs have reneged on a 2010 deal to end strip searches and controlled movement within the high security prison. Following the attempted mu[...]