BOSTON-As part of the city's continued effort to revitalize the Washington Street corridor, the Boston Redevelopment Authority issued a request for proposals for a vacant parcel located in the South End.

BOSTON-Hersha Hospitality Trust acquires two area hotels marking the Harrisburg, PA-based real estate investment trust's first foray into the local market.

LEXINGTON, MA-Equinox Group Inc. restructures and renews its existing 10,900 sf lease at 91 Hartwell Ave., enabling the company to reduce its rent by 33 %. The three-story building is located near the Route 4/Route 128 interchange in the commercially zoned district established by the town.

BEDFORD, MA-In one of the largest sublease transactions in the area in recent years, 170 Systems leases 40,000 sf at 36 Crosby Dr. The space hade been RSA Security's headquarters and with this deal the firm has subleased 100,000 sf of its excess space.

BEDFORD, MA-By Appointment Only leases 27,000 sf at 100 Crosby Dr. The company is subleasing in the three-story, 284,000 sf office building from Parametric Technology Corp. and will use the space for its new headquarters location.

DANVERS, MA-Everest Partners purchases nine buildings totaling 530,000 sf and located throughout the Greater Boston area from the New Boston Fund and the Archon Group for $38 million.

WATERTOWN, MA-Pathfinder International leases 23,329 sf at 7-9 Galen St. The organization, which provides family planning and reproductive health information and services, renewed, restructured and expanded its lease.

BURLINGTON, MA-MSC Industrial Supply Co. leases 8,000 sf of office, retail and distribution space at 20 Blanchard Rd. MSC is downsizing from a 15,000-sf space it was leasing at 20 Cabot Rd. in Woburn.