They accuse an investment firm of wrongly sharing commission with agents, who are also being sued.
The suspect, 55, was arrested after a tip-off he had allegedly been trafficking and exploiting workers.
The van was driven off leaving a man with life-threatening injuries, West Midlands Police say.
Live coverage of Saturday's League One game between Burton Albion and Coventry City.
A 21-year-old man is released by police investigating a fire that hurt three children and a woman.
Ozeivo Akerele's body was a found more than a year after he went missing in Coventry.
Team news as Northampton Saints host Wasps in Saturday's Premiership fixture at Franklin's Gardens (13:00 GMT).
Three children and a woman believed to be their mother are receiving hospital treatment for burns.
Jasmine Thompson was commissioned by the Royal Shakespeare Company 'to attract diverse audiences'.
Gross misconduct is proven against Matthew Crowe from West Midlands Police after contacting a "vulnerable" woman.
Two other children and a woman believed to be their mother are also injured in the Rugby blaze.
Confirmation the bronzes are by Michelangelo could see them valued in the hundreds of millions.
The mother of epileptic boy Alfie Dingley says the new rules are a "real blow" for other families.
Wasps sign Italy and former Exeter centre Michele Campagnaro on a deal until the end of the season.
Former England and Chelsea midfielder Joe Cole, who has been playing for Tampa Bay Rowdies, retires at the age of 37.
A "modern gateway" to Nuneaton will be created along with a boost for jobs, the council says.
Saracens and Bristol pick up wins in the Premiership Rugby Cup to keep their semi-final hopes alive.
Mark Allen loses out in a final-frame decider as Kyren Wilson wins their Champion of Champions semi-final 6-5 in Coventry.
Walsall survive a Coventry fightback to triumph in a pulsating FA Cup derby marred by a pitch invasion and bottle-throwing incident.
Ronnie O'Sullivan beats Shaun Murphy 6-3 to reach the final of the Champion of Champions.