After US, it is UK putting barrier in place against IT workers

UK’s home secretary Alan Johnson has announced that from next year onwards, a UK employer would have to announce all jobs to British workers in Jobcentre Plus for four running weeks (Up from two)- before these can be thrown open to workers from other nationalities. This should preventing the displacement of UK workers, mainly in IT sector, but it might be considered as a free trade violation also.

More detailed information is here.