Protesters chant while locked to the front entrance of the DENHR building on West Jones Street in Raleigh, NC Monday morning, Oct. 22, 2012. About 20 people protesting fracking gathered in front of the building with seven locking themselves to the front entrance. Protester Mike Bands is at right. The protester at left did not give his name. The protesters unlocked themselves after about an hour and were allowed to leave. No arrests were made. SCOTT SHARPE — ssharpe@newsobserver.com