The Terror Live (2013) on Netflix

Plot summary

Yoon Young-hwa once anchored a national newscast, but an unsavory incident cost him that job, and he now hosts a morning current affairs radio program. During a broadcast, a caller threatens to destroy Mapo Bridge, which crosses the Han River near his studio building. Yoon takes the warning for a prank and tells the caller to proceed, and the explosives go off, collapsing the bridge. The disaster looks to him like a way back to the anchor desk. He keeps the police out of it, turns part of the station into a television set, and works out terms with his former boss, the news producer Cha Dae-eun, who wants his station to beat the rival broadcasters. The caller agrees that their conversations will go out live.