The in-structure winger scored a spot-kick in every half, either side of Romelu Lukaku mesh in his seventh back to back group amusement for the hosts.
Shinji Okazaki seemed to have wrapped up the focuses, before a late strike from substitute Kevin Mirallas set up a sensational completion as Claudio Ranieri's men hung on.
Leicester's eighth triumph from 10 amusements implies they are ensured to be top of the group at Christmas and the signs search useful for a stun title offer as five of the last six groups to have held that status went ahead to be delegated champions.
The guests now sit five focuses clear of Arsenal – who face Manchester City on Monday – at the highest point of the table, in spite of the fact that they will trust Jamie Vardy has not endured a genuine damage after he fell off holding his hamstring in the end sta
