Coordinated IRIS observations of the third event taken on 2022 March 17. (a) EUI 174 Å image taken at 03:21:18 UT. (b) Intensity difference between the images taken at 03:21:21 and 03:21:06 UT. (c–d) Similar to (a–b) but for the IRIS 1400 Å passband. (e–f) Similar to (a–b) but for the IRIS 2796 Å passband. (g–h) Similar to (a–b) but for the AIA 171 Å passband. Contours outline the regions with enhanced EUI 174 Å emission.