ISLAMABAD: Sir Mark Lyall Grant , National Security Adviser to Prime Minister, United Kingdom, has acknowledged the significant achievements made by Pakistan in their fight against terrorism and continued efforts for regional peace and stability.  According to ISPR, the visiting dignitary made these remarks during his meeting with Chief of Army Staff, General Raheel Sharif at the General Headquarters, Rawalpindi. It further said that matters of mutual interest and regional security came under discussion.–Staff Reporter