...Lekit Stationery said children aged 12 and 13 were employed by one of its sub-contractors, although they did not work on Olympic-related products…Lekit manager Michael Lee told the BBC that a sub-contractor called Leter Stationery had hired a number of children in the school holidays last winter…"We didn't know that they would hire children," Mr Lee said, although the sub-contractor's factory is directly opposite Lekit Stationary. He added: "We will not use them again, and in future we will make sure that all sub-contractors are qualified."