  The ATLAS and CMS collaborations have recently released their new analyses of
the diphoton searches. We look in detail the consequences of their results
deriving strong constraints on models where a scalar resonance $s$ decays into
two light pseudoscalars which in turn decay into two pairs of collimated
photons, mis-identified with two real photons. In our construction, all mass
terms are generated dynamically, and only one pair of vector-like fermions
generate couplings which will be probed using the upcoming LHC data. Moreover,
we show that a stable dark matter candidate, respecting the cosmological
constraints, is naturally affordable in the model.
