pbr Singer Whitney Houston has cancelled more dates on her European tour after catching a chest infection.br ppbr She was meant to be performing at the MEN Arena in Manchester on April 8 and 9. These gigs have now been rescheduled for June 16 and 17.br ppbr In a statement, the arena said: "Whitney is suffering from an upper respiratory infection and after consultation with her doctors has been advised to postpone her performances."br ppbr It's a further setback after receiving mixed reviews for her world tour in Asia and Australia.br ppbr The 46-year-old has already postponed a concert in Paris that was scheduled for Tuesday April 6.br ppbr According to her website, Houston is next set to perform on April 13 in Birmingham.