Customs searched homes, business premises and construction sites in six federal states on suspicion of illegal work. Four accused of “gang-like withholding and embezzlement of social security contributions and illegally obtaining residence permits,’ customs said.

Two arrest warrants were executed, as customs announced on Tuesday in Erfurt, Thuringia's state capital. According to customs officials, around 350 officers were involved in the searches of a total of 24 objects. Among other things, they confiscated computers and smartphones.