World long jump champion Luvo Manyonga of South Africa has been provisionally suspended because of whereabouts failures in drug-testing, reported NBC Sports on Saturday.

Whereabouts failures meant the athlete missed drug tests and/or failed to provide whereabouts information for drug testers to conduct tests and that's what the Athletics Integrity Unit, the doping-combatting institution of the track and field world charged Manyonga with.

Suspension for first-time offender of whereabouts failures can be one to two years. If the suspension stands or gets extended, Manyonga will miss the Tokyo Olympics.

"There is much more information that can be shared with regards to this provisional suspension," posted Manyonga on Twitter on Saturday.

Back in 2010, 19-year-old Manyonga impressed the world by winning the long jump gold in the World Athletics U20 Championships in Moncton, Canada. The halo above his head grew even brighter after he ranked fifth in long jump in the World Championships in Athletics in Daegu, South Korea in 2011.

However, Manyonga tested positive for crystal meth in 2012 which led to an 18-month-long suspension. He later admitted that he had been addicted to the drug for a long time and used to steal money to purchase it.

In 2016, Manyonga came back to professional athletics competition. He won silver medal in the Summer Olympics in Rio de Janeiro that year, gold medal in the IAAF World Championships in London in 2017 and silver again in the IAAF World Indoor Championships in Birmingham in 2018.

Multiple top track and field athletes including men's 100-meter world champion sprinter Christian Coleman and women's 400-meter gold medalist Salwa Eid Naser were charged with whereabouts failures in 2020 and received suspensions.