A prominent New York financier and art collector, Ezra Merkin, has been charged with a $2.4bn fraud for collecting money from clients under false pretences and secretly handing it to the jailed fund manager Bernard Madoff. New York's attorney general, Andrew Cuomo, has accused Merkin of acting as a middleman for Madoff and using the proceeds to fill his apartment with $91m worth of art. Merkin has one of the world's largest collections of Mark Rothko paintings. The charges came as French authorities seized a $7m yacht, Bull, moored near Madoff's Mediterranean villa in Cape d'Antibes. Bailiffs threw a chain...