Mark Haines, the dry-witted and unflappable host of CNBC's "Squawk on the Street," has died. He was 65. Haines was a charter member of the on-air team at "Squawk Box," and then "Squawk on the Street," ...

Mark Haines, co-anchor of CNBC's morning "Squawk on the Street" show and one of the business news network's most recognized faces, died unexpectedly on Tuesday evening, the network said. He was 65.

On Tuesday evening, 65 year-old CNBC anchor Mark Haines unexpectedly died at home from an as-of-now unknown cause. The journalist, who most recently was the co-host of the morning show "Squawk on the ...