London: At least 26 people were arrested as dozens of coordinated raids were carried out Wednesday across Britain, France and Belgium against a human trafficking network, BBC reported.
UK Border Agency (UKBA) officers raided 35 addresses in England and Scotland, while 40 raids were carried out in France and Belgium.
More than 150 UKBA officers joined the crackdown on gangs trafficking illegal migrants.
Many of the immigrants were reportedly from Iraq, Iran and Afghanistan.
"We believe this to be one of the biggest operations of its kind ever undertaken in Britain, involving officers the length and breadth of the country," UKBA`s Chris Foster was quoted as saying.
In Britain, raids took place in London, Hampshire, Peterborough, Birmingham, Coventry, Smethwick, Leamington Spa, Stoke-on-Trent, Manchester, Sheffield, Lancashire and Glasgow.