LONDON-The National Union of Students (NUS) has purchased the freehold investment on a Gray's Inn Road building in London for GBP 4.2 million.

CHANDLER, AZ-QBE First, the Atlanta-based unit of QBE Insurance Limited, is planning to relocate its Chandler call center from its current location on Ellis Road to a bigger building on W. Frye Road.

NEW YORK CITY-Sitt Asset Management has agreed to pay $32.5 million for 113 Spring St. in SoHo.

SAN DIEGO-DiamondRock Hospitality Co. has reached a contract to purchase a portfolio of four hotels, including Westin San Diego, for roughly $495 million.

CHICAGO-The proprietor of the Crowne Plaza Metro Chicago, a 398-room hotel in the West Loop, is facing a potential foreclosure suit for failing to refinance a $48.2-million loan that came due in June.

BALTIMORE-Brick Bodies is moving its flagship gym to the former Shoppers Food & Pharmacy space in the Broad Street Market Shopping Center at 2340 Broad Ave. in Timonium.

PLANO, TX-A new Hilton Hotel will be built on a parcel on the Dallas North Tollway.

MIAMI-Branch Banking & Trust Co. has sold an office building in Miami Lakes at a 47% loss.