  Properties of the population of millisecond extragalactic radio bursts
discovered by Thornton et al. (2013) are in good correspondence with the
hypothesis that such events are related to hyperflares of magnetars, as was
proposed by us after the first observation of an extragalactic millisecond
radio burst by Lorimer et al. (2007). We also point that some of multiple
millisecond radio bursts from M31 discovered by Rubio-Herrera et al. (2013)
also can be related to weaker magnetar bursts.
