UK's biggest Alcohol maker, Diageo which produces drinks including Smirnoff vodka, Guinness and Johnnie Walker whiskey, is facing criticism for allegedly targeting children on Facebook through advertisements of alcoholic beverages.

Diageo has entered into a multi-million-pound deal with Facebook to place advertisements on the site. It affirms that the advertisements only appear on sections of the site, which is not accessible by anyone under the age of 18 years.

The British Medical Association and otter leading acadamisians have expresses cancers over advertisements on this site. They say that Facebook is not able to detect children lying about their age and viewing the advertisements. Eevn as the site is only meant for those above 13 years of age, it has been recorded that a quarter of eight- to 12-year-olds regularly log on to the site.

Diageo enjoyed significant success through advertisements on the site and plans to spend £6.5million on Facebook advertisements in the next year. It already advertise on eh US version of the website.

A Facebook spokesman said: `Facebook has tools in place to ensure people only see age-appropriate content on our site.