Factory workers found in an anti-slavery raid in Greater Manchester "clung" to officers and begged to be rescued, police said. Thirteen Slovakian immigrants were found at Iqbal Bros picture frame factory in Rochdale...The company had "contracts running into millions of pounds" with high street firms, Greater Manchester Police said...The 13 Slovakians found during Monday's raid had been in the UK for periods ranging from a few weeks to six months, and travelled to Rochdale on a bus from Bradford. The youngest alleged victim was 18 while the older ones were in their mid-30s.