Updated

Turkey's state-run news agency says police is rounding up dozens of people suspected of membership in a left-wing militant group that has claimed responsibility for a suicide attack at the U.S. Embassy in Ankara earlier this month.

It was the second major sweep against suspected members of the Revolutionary People's Liberation Party-Front, or DHKP-C, since January. It was immediately clear if the arrests were directly linked to the embassy bombing which killed a Turkish security guard on Feb. 1.

The Anadolu Agency said Tuesday police were arresting dozens of people in 28 provinces across Turkey.

The DHKP-C has claimed responsibility for assassinations and bombings since the 1970s but had been relatively quiet in recent years.