Rihanna Calls Off Second Concert On Her 'Diamonds World Tour'

The pop star had called off Sunday's concert in Boston because of laryngitis. Although the singer was optimistic of being well enough to make a return to the stage on Tuesday night, she has not recovered in time. The gig in Maryland - which is part of her Diamonds tour - will now be cancelled. A radio station in Baltimore reported the news with a statement on its website announcing that the gig had been postponed.