Authors say it is the first study to suggest a clear relationship between nitrogen fertiliser and pollen count and its ability to trigger allergies.

The Buffy The Vampire Slayer star was found unconscious and unresponsive in her luxury apartment tower in Manhattan in February.

Lawyers for hip-hop producer Sean “Diddy” Combs asked a federal judge in New York on Wednesday to delay his May 5 sex-trafficking trial by two months so they can better prepare a defence.