Delta crew detains passenger; plane returns to Puerto Rico

A Delta Air Lines crew detained a passenger who tried to enter the cockpit in an incident that forced a New York-bound plane to return to Puerto Rico on Wednesday, authorities said.Puerto Rico police said that 30-year-old Carlos Ramírez Rodríguez became aggressive and tried to enter the cockpit.Delta said the Boeing 737-900ER aircraft with more than 160 passengers and six crew members continued to New York and was expected to arrive two hours late.