Despite the great success of the Standard Model of particle physics the nature of Dark Matter still remains unclear. Recently, the idea of the existence of a hidden sector coupling only weakly with the ordinary matter was revitalized and gained popularity. A simple mediator between the hidden and the visible sector could be a vector particle of a new gauge interaction, the so called dark photon. Numerous of activities were initiated to probe its parameter space. The present results and the foreseen experiments aimed to search for dark photons in few directions are reviewed and discussed.
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