SIALKOT: A Memorandum of Understanding (MoU) was signed between the district police and City Lab and Research Centre Lahore here on Saturday, under which 100 percent discount would be given to the families of martyrs for lab tests. District Police Officer (DPO) Sialkot Muhammad Hassan Iqbal signed the MoU. Police employees on service will get 50 per cent discount while retired employees will get 45 per cent discount for lab tests.