Pakistan's Interior Minister, Rehman Malik said Friday he received a positive response from Secretary-General Ban Ki-moon when he sought, during a meeting with him, stepped up U.N.'s humanitarian help to the large number of people displaced by the military action against militants in the Swat region. Malik met the U.N. chief for more than an hour soon after his arrival in New York from Washington where he was a member of the visiting President Asif Ali Zardari's entourage. At his meeting with Ban, Malik was accompanied by Pakistani Ambassador Abdullah Hussain Haroon and senior officials of the Pakistan Mission to the United Nations. Malik said he came to the U.N. at the invitation of the secretary-general whom he briefed on the security situation in Pakistan as government forces push to flush out the extremists, as well as Islamabad's efforts to promote good relations with Afghanistan and India. According to latest official estimates between 150,000 to 200,000 people have already arrived in safer areas of North West Frontier Province (NWFP) over the last few days, with another 300,000 already on the march or about to leave.