[JustPiper]

The cause of the 5-11 alarm fire, which broke out on the 29th floor about 6:30 p.m. Monday, is still under investigation.

http://www.suntimes.com/output/news/firefolo07.html

Hotspot started up again this evening

Lasalle Bank is one of the largest banks in the Midwest. Its building was originally named the Field Building, after Chicago retailer Marshall Field, whose estate developed the skyscraper in the early 1930s. It was designated a Chicago landmark in 1994.

http://abcnews.go.com/US/wireStory?id=308586&CMP=OTC-RSSFeeds0312

[Velveeta]

Thanks.
No updates today yet, other than to say that arson has not been ruled out.

The investigation continues.