The incident took place at the Emirates Stadium on the day the Gunners beat Manchester United 3-1.
The former Manchester United player told Highbury Corner Magistrates’ he was ‘left in shock’ after Arsenal fan headbutted him through doors
Mourinho feels he would have won a trophy with Kane if he was not sacked by Tottenham six days before the 2021 Carabao Cup final.
The St Mirren and Celtic player has been added to the squad following injuries to fellow forwards Ben Doak and Lyndon Dykes.