AP Moller-Maersk’s US arm has been subpoenaed by the Department of Justice as the federal government keeps up the pressure on liner operators.

The company told TradeWinds that the Danish shipowning giant’s subsidiary, Maersk Inc, had received the order from the US government.

“We can confirm that we have received a subpoena from the US Dept of Justice with respect to their ongoing investigation into supply chain disruption,” said Maersk North America spokesman Tom Boyd.