![PSG's Kylian Mbappe celebrates after scoring his side's 2nd goal during the Champions League Group B soccer match between Celtic and Paris St. Germain at the Celtic Park stadium in Glasgow, Scotland, Tuesday, Sept. 12, 2017. (AP Photo/Scott Heppell)](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/6GULOEL4AONWZZUI27QHATDAM4.jpg?smart=true&auth=68fc4eb4bbe6f7f2292f57135b8a843428de69b20c79432d2547be77dd42fe7d&width=400&height=225)
PSG's Kylian Mbappe celebrates after scoring his side's second goal against Celtic. Scott Heppell / AP Photo
PSG's Kylian Mbappe celebrates after scoring his side's second goal against Celtic. Scott Heppell / AP Photo
Unai Emery says players 'have learnt from the past' and warns five-star PSG can only get better
Celtic could face Uefa sanctions after a supporter ran on to the pitch and appeared to aim a kick at PSG striker Kylian Mbappe during 5-0 defeat
Agence France Presse
13 September, 2017