article_snippet.sent: Spokesman Ben Petok said Arrests were made in Minneapolis and San Diego
article_snippet.sent: Spokesman Ben Petok did not give details about the charges and said more information would be released on Monday.
article_snippet.sent: Scroll down for video .
article_snippet.sent: An the FBI affidavit said his companions are all between the ages of 19 and 20 and live in the Twin Cities.
article_snippet.sent: The US Attorney's Office and the FBI will hold a news conference Monday to announce details about a joint terrorism task force operation.
article_snippet.sent: An the FBI spokesman in San Diego referred questions to a spokesman in Minneapolis, who said Sunday An FBI spokesman in San Diego could not comment.
highlights_snippet.sent: The US Attorney's Office and FBI will hold a news conference Monday .