A method of receiving data by a terminal device, comprising: determining an allocation of downlink resources of a wireless radio interface for the reception of data by the terminal device, receiving signals representing the data within the allocated downlink resources, wherein the receiving includes: determining that the allocated downlink resources include at least a portion of a first predetermined resource set, receiving via the wireless radio interface, signals within a first predetermined common pre-emption indicator transmission set of downlink resources allocated for the transmission of a first pre-emption indicator associated with the first predetermined resource set, determining, based on the signals received within the first predetermined common pre-emption indicator transmission set of downlink resources, whether a portion of the signals received within the allocated downlink resources and within the first predetermined resource set comprises data signals transmitted to a different terminal device.