Amina Abakarova, 43, was filmed as she walked into the tournament hall in Makhachkala, southern Russia, last Friday and took what appeared to be a vial out of her bag.
The 21-year-old played 21 times for the Blades in the Premier League as they were relegated last season, having spent the previous campaign on loan at Derby in League One.
Ofwat is set to impose an independent monitor on Thames Water after the debt riddled utility firm was stripped of two investment-grade credit ratings.
EXCLUSIVE: Footage captured by CCTV cameras near Kew Bridge showed the cherry picker van with two men dressed in orange high-vis clothing and helmets.
The pair appeared tense, jubilant and nervous - at times hiding their faces behind their hands - as they watched the men's 3x3 basketball at La Concorde in Paris on Monday.
Officers from Greater Manchester Police's Specialist Operations Branch have detained three women and a man, 23, on suspicion of conspiring to cause a public nuisance.
