KABUL- President Hamid Karzai on Wednesday evening in a phone conversation with Pakistan's Prime Minister Nawaz Sharif, raised his serious concerns over Pakistan cross-border shelling on Eastern Kunar province, his office said. During the conversation, President Karzai told his Pakistani counterpart "terrorists are crossing the Durand Line into Afghanistan for years, but the Afghan forces have never fired on civilians across the Durand Line." Mr Karzai said that Pakistan continuously fire artillery shells on the eastern parts of Afghanistan, the statement said. Pakistan's Prime Minister Sharif said that that "terrorists come from Afghanistan to Pakistan and conduct terrorist activities." However, Mr Sharif promised to discuss the cross-border shelling with responsible institutions within his government.