PAKISTAN and Afghanistan, which have been under mounting pressure from the US to join hands to flush out terrorism, organized crime and drug trafficking have finally agreed on strengthening border security management and maintaining close coordination. A new mechanism of cooperation has presumably been evolved. According to Interior Minister Rehman Malik, Washington would support the two countries in capacity building, infrastructural support, and training of their security forces and that UK, Australia and Canada would also provide similar help. The two sides have agreed not to allow non-state actors to use their soil. Both countries would raise additional border security force to check crossborder terrorism. They would also integrate efforts to control illegal border crossing. With a 2,500km long, porous and mostly unmarked Durand Line dividing Pakistan and Afghanistan, smugglers and traffickers of narcotics have over the decades moved freely between the two countries. The situation now has become critical for Islamabad and Kabul in particular, and the world in general, because of two reasons: an unprecedented rise in the activities of militants and heroin traffickers. What has benefited both is the misunderstanding that prevails between Islamabad and Kabul. Despite two summit meetings between the two countries hosted by Turkey, the differences have not been fully resolved. . The Karzai government, which has been unable to extend its writ outside Kabul and is plagued by corruption, has been accusing Pakistan of allowing safe havens to militants in the tribal areas calling for attacks by the allied forces, a demand that has added to the bitterness between the neighbours. Pakistan in turn has accused those guarding the other side of the Durand Line of failing to stop the influx of militants into Pakistan. Poppy production has meanwhile increased manifold in southern Afghanistan, giving a boost to heroin trade. While this has led to sharp increase in the number of addicts in Pakistan, which has reportedly reached four millions now, international community has also expressed concerns. While many would agree that the two countries need to cooperate to deal with the two menaces they face, the details of the proposed agreement need to be made public. What is most important is Pakistan's territorial sovereignty, which must in no way be infringed upon. There is already a great resentment against the US drone attacks in Pakistan. There is a need to ensure that the agreement does not legitimize hot pursuit. Unless the issue of Kashmir is resolved in accordance with the wishes of the Kashmiris, Pakistan cannot shift military from its eastern border to fight the militants as President Zardari has rightly pointed out.