Highlights Paris Saint Germain 5-0 Lyon October 07 2018
Neymar opened the scoring in the 9th minute through a penalty that put PSG ahead.
Mbappe grabbed his first goal in the 61st minute after the restart with a low strike off the post.
He slid in his second three minutes later, converted a cool finish for his hat-trick and stroked home his fourth from close range.
Kimpembe was given a straight red card by the referee after consultation with the Video Assistant Referee for he caught Tanguy Ndombele in the shin with his studs.
Tousart was sent off for a second bookable offence on the stroke of half-time after hauling down Mbappe.
PSG have won all nine league games so far and are eight points clear of second-placed Lille in Ligue 1.