Moving radio bursts associated with the expansion of the 14 June 2012 CME in the solar corona. The radio bursts are shown in panels a and b from 13:35 to 14:00 UT as observed by the NRH at 150 MHz. The white-light signature of the CME becomes visible at a later time (from 14:12 UT), when it expands to the higher corona as observed by the LASCO/C2 coronagraph. The white circles in the images in panel c denote the visible solar limb. The white arrow points towards the CME shock, which is indicated by the fainter outline surrounding the CME. The outer edge of the white-light shock is denoted by the dotted line in panel c. A clear shock is observed in both south-easterly and south-westerly directions. The evolution of the radio bursts through time can be seen in Movies 1 and 2 available online.