  We consider several extensions of the Standard Model (SM) which can explain
the anomalies observed by the Atomki collaboration in the decay of excited
states of Beryllium via a new boson with a mass around 17 MeV yielding $e^+e^-$
pairs. We show how both spin-0 and 1 solutions are possible and describe the
Beyond the SM (BSM) scenarios that can accommodate these. They include BSM
frameworks with either an enlarged Higgs, or gauge sector, or both.
