Leicester are working with UEFA and local authorities to establish the 'full facts' of disturbances involving their fans in Madrid.
Travelling supporters were involved in clashes with police on Tuesday evening and Wednesday afternoon ahead of the Foxes' 1-0 Champions League quarter-final first leg defeat by Atletico Madrid.
A Leicester spokesman said: 'We are working with UEFA and the local authorities to establish the full facts of what took place and the reasons for the police response.
'We will also be liaising with travelling supporters before deciding on any course of action.