Khawaja has played 59 BBL matches out of an overall T20 career playing a record of 107 games, including nine T20 Internationals for Australia, and playing stints in Pakistan, England, and the Indian Premier League.
Areola joins the Hammers on a five-year contract until the summer of 2027, with a further one-year option, following a successful loan spell at London Stadium last season.
The Soham-born shot-stopper, who has played eight times for his country, had spent the past six seasons at Turf Moor, twice winning Burnley's player of the year award and helping the Clarets to qualify for Europe in 2017/18.
Chennai (Tamil Nadu) [India] June 25 (ANI/NewsVoir): Kauvery Group of Hospitals, a leading multispecialty healthcare chain in Tamil Nadu, joins hands with Tamil Nadu Premier League 2022 as healthcare partner.