They're more than twice the height of Nelson's Column - they've come halfway round the world - and they signal the latest stage of work on a project which will create 12,000 jobs.
Three cranes, the biggest ever seen in Britain, arrived from China this morning at the London Gateway in Essex.Our Political Correspondent Simon Harris explains exactly why they are here.
More top news
The City of London Corporation have axed a controversial scheme to allow hunting in Epping after reports of deer being 'disembowelled'.
A burst water main caused serious flooding in south London this morning with businesses and homes left submerged in water.
Campaigners have vowed to block the building of a £50 million Holocaust memorial that is due to be built next to Parliament.