Dhaka, Oct. 9 -- Isak and Gakpo remain doubtful after international duty, leaving Iraola facing a potential attacking shortage for Sunday's clash

Liverpool could be without Alexander Isak and Cody Gakpo for Sunday's Premier League showdown with Manchester City after both forwards suffered injuries on international duty.

Neither player featured in the club's published training photographs from Thursday, raising further concerns over their availability for the visit of the league leaders to Anfield.

Isak returned early from Sweden duty with a thigh problem, while Gakpo withdrew from the Netherlands squad after suffering an ankle injury, according to Sky Sports.

Liverpool head coach Andoni Iraola has acknowledged that both players remain...