[caption id="attachment_848711" align="alignnone" width="628"]<img class="size-full wp-image-848711" src="https://www.cricketcountry.com/wp-content/uploads/2019/05/Usman-Khawaja-Australia-AFP.jpg" alt="Usman Khawaja, Australia vs Sri Lanka, World Cup, ICC World Cup 2019" width="628" height="353" /> Khawaja suffered a blow on his left knee while fielding and had to be escorted off the ground by the team doctor. @ Twitter[/caption] <p></p> <p></p><a href="https://www.cricketcountry.com/teams/australia/news/">Australia</a> were dealt an injury scare on Monday after top-order batsman <a href="https://www.cricketcountry.com/players/usman-khawaja/news/">Usman Khawaja</a> limped off the field after getting hit on his left knee during their <a href="https://www.cricketcountry.com/news/aus-vs-sl-match-7-cricket-world-cup-2019-warm-up-live-streaming-teams-time-in-ist-and-where-to-watch-on-tv-and-online-in-india-848399">second and final</a> <a href="https://www.cricketcountry.com/tag/icc-world-cup-2019">ICC World Cup 2019</a> warm-up match against <a href="https://www.cricketcountry.com/teams/sri-lanka/">Sri Lanka</a> on Monday. <p></p> <p></p>Khawaja suffered a blow on his left knee while fielding and had to be escorted off the ground by the team doctor. <p></p> <p></p>Monday's injury scare came after Khawaja was forced to retire hurt during Australia's first warm-up game against England on Wednesday, which they won by 12 runs. <p></p> <p></p>During the match against England, Khawaja sustained a blow on his jaw while batting but scans later revealed that there was no break. The left-handed batsman is now uncertain for Australia's World Cup opener against Afghanistan on June 1.