Washington (CNN)Ten American sailors are in Iranian custody after two small U.S. naval craft apparently briefly entered Iranian territorial waters, a U.S. senior defense official said Tuesday. The official, however, expects the situation to be resolved quickly. A senior administration official said there is nothing to indicate this was anything hostile on the part of any entity in Iran, adding that the U.S. has received high-level assurances that the sailors will be released promptly. White House Press Secretary Josh Earnest told CNN's Jake Tapper that President Barack Obama will be in touch with members of Congress about the incident. "Certainly,...