Drug-shamed Maria Sharapova has been handed another suspension, this time as a Goodwill Ambassador for the United Nations.

The 28-year-old Russian who announced she had failed a drugs test during the Australian Open in January, has been provisionally suspended from her role.

Sharapova was made an Ambassador in 2007 but has been suspended from ‘any planned activities while the investigation continues’, said the United Nations Development Programme.

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The announcement comes just days after Nike, Tag Heuer and Porsche all confirmed they have halted their relationship with the star.

World number seven said she has been taking meldonium for health reasons for the past 10 years.

The drug was added to the World Anti-Doping Agency’s (Wada) banned list on 1 January and Sharapova provided a positive test at the Australian Open later in the month.

Tennis: Maria Sharapova-Press Conference