South Korean Lawmaker Is Injured in Attack Weeks After Opposition Leader Was Stabbed

SEOUL, South Korea—A South Korean governing party lawmaker was treated for lacerations at a Seoul hospital after being attacked Thursday by an unidentified man who struck her head with a rock-like object, South Korean police and fire officials said. A police official in Seoul’s Apgujeong district said a suspect was arrested at the scene of the attack on lawmaker Bae Hyunjin in southern Seoul. The attack, which came weeks after a man stabbed opposition leader Lee Jae-myung in the neck in the southern city of Busan, raises further concerns about the country’s intensely polarized politics. South Korean media, citing Ms. Hyunjin’s aides, said the suspect approached her and asked whether she was really the lawmaker before striking her with what appeared to be a rock. Calls to Ms. Hyunjin’s office weren’t immediately answered....