The present disclosure relates to a wireless communication system (200) comprising one or more Radio Base Stations (220), RBSs, associated to a first Multicast-Broadcast Single Frequency Network (210), MBSFN, the one or more RBSs associated to the first MBSFN being arranged to broadcast transport blocks by using a first communications resource (f1), the transport blocks transporting a service (A) to one or more wireless devices (231, 232, 233) in the wireless communication system (200), the wireless communication system (200) also comprising at least one further RBS (250) not associated to the first MBSFN (210), the at least one further RBS (250) being arranged to broadcast information relating to the first communications resource (f1) used for broadcasting service (A) in the first MBSFN.