Serena Williams locks self in panic room mistaking drug tester for intruder

Washington, Nov 3 (ANI): Serena Williams ran into her panic room in her Los Angeles mansion when she mistook a sports association drug tester for a dangerous intruder.

According to TMZ, Williams' assistant called 911 and told the emergency operator that a prowler had been spotted at the luxurious property.

But the intruder turned out to be a random drug tester who stopped by her house unannounced for a urine sample of the tennis player, Fox News reported. t is not known whether the 30-year-old grand slam winner submitted the drug test. (ANI)