The Latest on the flow of migrants into Europe (all times local):

3 p.m.

Albanian naval and air forces, law enforcement and emergency bodies have held exercises in the Adriatic Sea to prepare for the event of humanitarian situations in a refugee crisis.

The exercises on Thursday were held at Cape of Pali, some 40 kilometers (25 miles) west of the capital, Tirana, and included training on how to transport refugees from a ship to a helicopter or when a ship refuses to be boarded.

Albania hasn't been part of the transit route for migrants through Europe so far, with only a few of them crossing into its territory and being turned back. Tirana says it doesn't have the capacity to shelter refugees, but will accept a number of them if Europe decides to distribute them between countries under a coordinated plan.

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2:55 p.m.

Italy's coast guard says a migrant boat has overturned off Libya's coast with an unknown number of passengers on board. It says so far 88 people have been rescued.

Coast Guard. Cmdr. Cosimo Nicastro told The Associated Press the capsized boat was first spotted Thursday by an aircraft participating in the European Union monitoring operation. The Italian coast guard responded with two rescue vessels to the location some 30 miles (50 kilometers) off Libya's coast.

Nicastro said 88 people had been rescued from the capsized wooden boat. He said he didn't have any information about whether any bodies were recovered or how big the boat was.

It is one of about 20 search-and-rescue operations underway Thursday. Nicastro said of the eight operations concluded, some 1,000 migrants have been rescued.