Mr Boyd’s company, Killultagh Estates, sued Nama seeking the return of more than £4.7 million (€5.6 million) in payments linked to interest rate agreements, which the developer argued weren’t legally due because the payments were originally authorised only over the phone. Photograph: Cyril Byrne/The Irish Times

Nama has won a bitter court case in London against Frank Boyd, a property developer and one of the wealthiest men in the North. Mr Boyd’s company, Ki(...)