MADRID, Jan 23 (Reuters) - Atletico Madrid have been fined and threatened with the closure of their stadium by the Spanish Football Federation (RFEF) for their fans' behaviour during Saturday's Primera Liga match against Osasuna.
In his report, referee Vicente Lizondo Cortes said fans had imitated the sound of a monkey at Cameroon striker Pierre Webo.
They had also thrown two batteries at a linesman and two plastic bottles on to the pitch. The size of the fines for the offences were not disclosed.
Last season Atletico were fined 3,000 euros after fans threw missiles at Sevilla goalkeeper Andres Palop.
They included a whisky bottle and a half-full can of beer which hit him, delaying the game for 40 minutes.
Atletico were also fined 6,000 euros last season over fans' racist abuse of Espanyol's Cameroon goalkeeper Carlos Kameni.
Osasuna, who had four players sent off on Saturday, lost the match 1-0.