Greek authorities detained four terrorism suspects on Saturday, including a man believed to be the ringleader of a Belgian jihadi cell as part of an increase in European counterterrorism efforts.
The four suspects were arrested separately in Athens, an unnamed Greek police official told the Associated Press. Among them was a man who matched the description of Abdelhamid Abaaoud, who Belgian authorities believe was behind the jihadist cell dismantled in Belgium on Thursday.
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