Talks could come as early as next week, sources say

Mediator Pakistan says sides do not have much time to narrow their differences

Iran is said to have made or reiterated some concessions but source in mediator Pakistan appears pessimistic

Talks could come as early as next week, sources say

Iran said the latest proposal from the US has partly bridged the gap between the warring sides, as they seek to turn a fragile ceasefire into a peace deal. Tehran is in the…