Following Olympian Vijender Singh's refusal to give his hair and blood samples, Punjab Police are examining the possibility of taking legal recourse to obtain the samples
Vijender, a Deputy Superintendent of Police (DSP) with the Haryana Police, is also expected to be summoned again for questioning.u00a0
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Reportedly, hair tests can show if the person under scrutiny has taken drugs like heroin for 90 days prior to testing. Blood tests meanwhile can reveal whether a person regularly consumes drugs. u00a0