deal was struck on their transfer to the privatised business.

However, the Serco legal challenge does not come as a surprise. The council in February announced it had "temporarily paused work with CGI on the potential future delivery of IT services, after Serco plc informed the authority it would seek to take legal action to prevent it from pursuing a contract with CGI".

Serco's move throws the council's plans into chaos and would have major financial consequences if it were successful at the courts. Glasgow's plan had been to begin the transition to CGI from in April, a year ahead of the end of the Access contract - but that timetable has been thrown into disarray.

Back in February, a council spokesman said: "The council is surprised by Serco's approach, givenThe World Trade Center’s newest, $2.5bn skyscraper reached its full 80 stories Thursday – one of three high-rises now up at the site, with one more to go.

Almost 15 years after the twin towers collapsed, the site of the September 11 terrorist attacks has turned into a resplendent hub of soaring architecture, bustling businesses and urban greenery.

But a series of construction security fences signal that there’s still plenty of unfinished work before the 16-acre site is totally back to life.

A ceremony on Thursday marked the topping out of 3 World Trade Center, with about 1,000 workers signing a massive construction bucket that was lifted to the brim, along with a big American flag. It was a victory for the tower that had languished for a few years before