A Royal Caribbean "cruise to nowhere" was cut short and the ship returned to Singapore on Wednesday after an elderly passenger was diagnosed with the coronavirus, but the health ministry later said new tests on the man were negative. … It said it will conduct another test Thursday to confirm his status. … The Singapore Straits Times reported that the vessel, which had 1,680 guests and 1,148 crew members on board, returned on the third day of a four-day trip.