A2552: Left: GMRT 610 MHz high resolution image in contours overlaid on the DSS POSS II R band image in grey scale. The contours are at −0.15,0.15,0.30,0.60,1.2 mJy beam^-1, and the beam is 5.5′′ × 4.3′′, p.a. 35.9°. Middle: The 610 MHz low resolution (LR, 15′′ × 15′′) image in contours (white +ve and cyan −ve) overlaid on the Chandra X-ray image (Obs ID 11730, 0.5−2 keV and resolution ~4′′) in colour. The contours are at 0.4,0.6,0.8,1.6,3.2,6.4 mJy beam^-1. The discrete sources are marked by “+”, and H points out the patches of diffuse emission. Right: the 610 MHz LR image in grey-scale and the contours same as in the middle panel (black +ve and cyan −ve) are overlaid.