Pakistan, Afghanistan and Tajikistan on Thursday agreed to strengthen cooperation in trade, energy and communication sectors besides tackling the challenges of terrorism and extremism in the region. This was agreed in a trilateral meeting of the leaders of three countries at the picturesque resort Varzob, some 40 kilometres from Dushanbe. During the meeting, the three leaders underscored the importance of further promoting bilateral and economic relations, with implementation of joint projects in areas of energy transfer from Tajikistan to Pakistan and Afghanistan as well as construction of inland rail road for transportation of passengers and goods.