India, April 10 -- A US Air Force transport aircraft bearing the marking "Charleston" was spotted approaching Nur Khan Airbase in Pakistan on Friday, signalling Washington's possible arrival for crucial peace talks with Tehran.

Ceasefire strains cast shadow over talks

Uncertainty continues to cloud the proposed negotiations, with no official confirmation of delegations on either side.

Both Washington and Tehran have accused each other of failing to honour commitments under a fragile ceasefire.

Iran, in turn, has condemned Israeli strikes in Lebanon, insisting they fall within the ceasefire's scope.

"The holding of talks depends on the US adhering to its commitments on all fronts, especially in Lebanon," said foreign ministry spokespe...