Tribune Media Company is ending its troubled merger deal with Sinclair Broadcast Group, less than a month after federal regulators cited "serious concerns" about the plan. Tribune also filed a lawsuit, accusing Sinclair with breach of contract. 

"We're obviously disappointed," Tribune CEO Peter Kern said on a conference call Thursday morning. He added, "Unfortunately, Sinclair chose to follow" a strategy that he said was only in Sinclair's own self-interest – and which damaged the deal. NPR