New York, Mar 20 : Experts say that having emotional feelings for someone is the start of an affair, but actor Brad Pitt, who was married to actress Jennifer Aniston when he shot ''Mr. & Mrs. Smith'' with actress Angelina Jolie, has denied that he cheated on her.

Pitt, 45, has once again rebuffed allegations that he started his affair with Jolie on the set of ''Mr. & Mrs. Smith'' while he was still married to Aniston, and says that he was still filming the movie when he split up with her.

New York - US stocks fell for the first time in three days on Thursday as investors had second thoughts about Federal Reserve actions to shore up the US financial sector.

The Fed said Wednesday it would buy 300 billion dollars in long- term government bonds, an unprecedented effort to help drive investors back into the private sector, and will purchase another 750 billion dollars in troubled mortgage-backed securities at the heart of the financial crisis.

New York - Haiti's crime rate has dropped significantly in the past five years with a capable police force patrolling its streets, but the country still faces a big challenge in providing food to the population, a UN Security Council delegation said Thursday.

A police force of 14,000 officers is now functioning in some of the most crime-ridden areas, according to the delegation headed by Costa Rica's UN Ambassador Jorge Urdina that visited Haiti last week.

New York  - The world's 20 most advanced economies should discuss investment of 1 per cent of global gross domestic product - about 750 billion dollars - into five sectors to build an environmentally sustainable global economy, the UN Environment Programme (UNEP) said Thursday.

Such an amount could finance a "Global Green New Deal," drawing on the idea of the New Deal launched by US president Franklin D Roosevelt to help put an end to the Great Depression in the 1930s.

New York, Mar 19 : Talk show queen Oprah Winfrey is mourning the loss of one of her newly adopted pooches, Ivan.

She recently took in two cocker spaniel puppies Ivan and Sadie from the PAWS Shelter in Chicago, Illinois.

Winfrey lost Ivan on March 11 after the two puppies got infected with parvovirus.

Sadie is being treated by animal specialists in a bid to cure her canine disease.

"I''m saddened by his passing, though we only had him for a weekend," the New York Daily News quoted Winfrey as saying in a statement.

New York  - Actress Natasha Richardson died Wednesday in a New York hospital, her family announced, broadcaster CNN reported.

The family had gathered at her bedside Wednesday for a final, tragic vigil after the British born actress, 45, was critically injured Monday in a skiing accident in Canada's Quebec province.