ROME — Two Italians and a Canadian citizen kidnapped in southern Libya in September were freed unharmed and brought to Italy early Saturday, authorities said.

Italian authorities said the intelligence services of Libya, Italy and Canada cooperated in securing the release of the three men after nearly seven weeks of captivity.

The men, technicians working on an airport construction project, were seized Sept. 19 by armed, masked men who blocked their vehicle in Ghat, a Sahara city in southwestern Libya near the border with Algeria.