Costa Coffee has pleaded with some Arsenal football fans not to boycott its shops in a bizarre protest against Chelsea player Diego Costa.
After Chelsea beat Arsenal last weekend, Gunners fans blamed the antics of Diego Costa for getting their defender Gabriel Paulista sent-off.
This led to a Twitter campaign under the hashtag #costaboycott which called on fans of the North London giants to avoid the coffee shop chain.
A tweet by Arsenal supporter group Our Lot in Block 5 read: "Join...
