ISLAMABAD: Russia has urged Pakistan and Afghanistan to resolve their differences through political and diplomatic means and offered to assist both sides in lowering tensions, Pakistani state media reported on Sunday, citing a Russian broadcaster. Pakistan and Afghanistan engaged in fierce clashes along their shared border on Oct. 11 after Pakistan conducted airstrikes inside Afghanistan against what it said were Tehreek-e-Taliban Pakistan-linked targets. While the two sides reached a ceasefire in Doha on Oct.