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The Latest on the NCAA Tournament (all times Eastern):
4:05 p.m.
Butler went for the knockout. Now Arkansas is punching back.
The 10th-seeded Bulldogs led 21-2 in the East Region in Detroit after an 18-0 run, but the No. 7-seeded Razorbacks responded with a 27-6 spurt of their own to make things close.
Kelan Martin's layup put Butler ahead 31-29 with 2 1/2 minutes left in the first half.
3:50 p.m.
Another No. 4 seed has been sent packing.