Agence France-Presse: The climate change protester who hurled green custard into the face of Business Secretary Peter Mandelson has been arrested, police said on Sunday. Leila Deen, 29, attended a central London police station “by appointment” on Saturday in connection with an investigation into the incident, a Metropolitan Police spokesman said. “She was arrested by officers from Westminster Criminal Investigations Department and was bailed to return to a central London police station on a date in …