From ATLASexperiment https://twitter.com/ATLASexperiment on Twitter: The ATLAS experiment finds evidence of the #Higgsboson decay to two leptons and a photon! This is one of the rarest Higgs boson decays yet seen at the LHC, with striking features that presented unique challenges for the experiment. https://atlas.cern/updates/briefing/evidence-rare-Higgs-decay