article_snippet.sent: Shell didn't immediately respond to CNN's request for comment Monday.
article_snippet.sent: But company spokeswoman Kelly Op De Weegh told Agence France-Presse that the boarding was illegal and jeopardized the safety of the activists and the crew.
article_snippet.sent: The U.S. Coast Guard wasn't immediately available for comment late Monday on the incident.
article_snippet.sent: CNN's Dave Alsup contributed to this report.