The King County Council and the Seattle City Council gave their final approval Monday to an agreement to build a $490 million basketball and hockey arena in the city, despite the threat of a lawsuit from longshore workers.

The County Council approved it unanimously, while the City Council voted 7-2. Both bodies had previously OK'd different versions of the deal.

"This is a very good financial plan here," said County Councilman Reagan Dunn, a Republican who earlier had concerns about the deal. "It's been well thought-through."
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