Two major construction milestones have been passed at Manica 's $1.9 billion (€1.8 billion, £1.5 billion) Allegiant Stadium in Las Vegas, with the frame for supporting the roof lifted into place and installation of the seating begun. Practical completion of the stadium is expected by the end of July, after which it will be home to the relocated Raiders NFL team. In addition to NFL games, it will host NCAA

Seeing Spheres, a new and permanent artwork by Olafur Eliasson featuring five reflective silver orbs has been opened on San Francisco's waterfront. The Mission Bay installation by the Danish-Icelandic artist is situated at a plaza next to the city's new Chase Center sports complex, where the Golden State Warriors basketball team will play. Each sphere is a 5m (16.4ft) high orb made of polished, hydroformed steel, each supporting a flat,

US National Football League (NFL) franchise the Oakland Raiders are to relocate to Las Vegas, after other NFL owners voted yesterday (27 Match) to approve the controversial move to Nevada. The Raiders received 31 of 32 votes to approve the move, far above the minimum requirement of 24. It is now in a position to proceed with its ambitions to build a 65,000 capacity stadium on the Las Vegas Strip.

Manica Architecture have revisited their stadium design for National Football League (NFL) franchise Oakland Raiders, with the proposed location shifting from California to Nevada. The studio originally designed the 65,000 capacity stadium to be a joint home for the Raiders and fellow NFL side the San Diego Chargers as part of a joint bid which would have seen them both relocate to Los Angeles. That move was rejected by the