The US also asserted that Pakistan needs to do more to root out terrorists using its soil to find refuge
Afghan Taliban leader was killed in the Pakistani town of Ahmad Wal in a US drone strike on Saturday
During his brief stint as the Afghan Taliban chief, Mullah Mansour oversaw intensified attacks which left the Afghan police and troops struggling to respond
Reports warned that ties could become more nasty between the two nations
The Washington Post said that the drone strike "represents another escalation in US involvement in the war in Afghanistan"
He further hailed the slain Taliban leader's death as an "important milestone" in efforts to bring peace to Afghanistan
A look at Mullah Akhtar Mansour's activities ever since he took over as the Afghan Taliban's chief
Senior Afghan Taliban sources have confirmed the death of their chief Mullah Akhtar Mansour in a US drone strike, adding that a council is underway to decide his successor
Mansour and another militant were targeted in a precision air strike by multiple unmanned drone