A ride-share driver has allegedly been threatened at knife point in a shocking carjacking in Victoria. Emergency services were called to Northumberland Cres in the regional city of Shepparton about 3.20pm on Saturday after a ride-share driver was allegedly threatened when a rear passenger produced a knife. An unknown man approached the car and the pair allegedly threatened the driver before a “physical altercation ensued”, according to police. A 15-year-old Shepparton boy has been charged with aggravated carjacking, commit indictable offence whilst on bail and post and boast offence. An 18-year-old Shepparton man has been charged with aggravated carjacking, commit indictable offence whilst on bail, post and boast offence and unlicensed driving.