CNN, NBC Conflict Over Boston Bombing Arrest

On Wednesday afternoon, multiple media outlets reported that an arrest had been made in the Boston bombing--and multiple other outlets said that none had been made.

CNN's John King, citing multiple sources, said that an arrest had been made. Fran Townsend, a contributor to the network, also said it had been made. The Boston Globe agreed. Fox News also reported an arrest. The Associated Press did so as well.

NBC's Pete Williams, though, was adamant. Citing multiple federal sources, he said, "No arrest has been made."

"The FBI is looking for someone. They have a face. They don't know where he is," Williams said.

CBS News also tweeted that no arrest had been made.

NBC's Brian Williams eventually acknowledged that other outlets were reporting different things. Pete Williams stood by his story.

"We are just not comfortable ... reporting that," Brian Williams said.

"Someone's right," Pete Williams later said on NBC.

Some minutes later, CNN suddenly appeared to be walking back its story: