Story highlights The two were arrested Wednesday as they allegedly scouted potential attack locations in Turkey's capital

They had a vest with explosives and a backpack with bomb-making materials, the Ankara governorship says

Authorities across the globe have been on alert for possible ISIS-related terror attacks

(CNN) Turkish police say they've arrested two people with alleged ISIS ties on suspicion of planning a bombing attack in Turkey's capital on New Year's Eve -- arrests that come as governments worldwide are on heightened alert for potential attacks around the holidays.

The two were arrested Wednesday as they allegedly scouted potential attack locations in the capital, Ankara, the Ankara governorship said.

The pair had a vest with explosives and a backpack "ready for use" -- with iron marbles and sticks and other materials for use in bomb-making -- the governorship said.

Investigators believe the pair intended to target two locations near Ankara's Kizilay district, the country's semiofficial Anadolu news agency reported, citing the Ankara chief prosecutor's office.

An "investigation and interrogation about the event is ongoing," the Ankara governorship said.