Khan made his British return last weekend
Ukrainian refused to box at Khan’s preferred 144lb weight
The former world champion light-welterweight made announcement on Twitter.
Khan to fight again in the USA.
‘Humbled’ Ricky Hatton still hit with fans after comeback fight sells record-breaking 18,000 tickets in 48 hours
Hatton’s opponent for the return to the ring yet to be named.
Khan made the announcement on Twitter on Saturday.
Amir Khan is fighting Danny Garcia this July