A young pregnant woman allegedly killed her ex-lover in a Honda sedan on the Huyu Expressway on Sunday, Wuhan Evening News reported.

Li, 28, sitting in the passenger seat, slashed, with a knife, the man in his sixties to death who sat on driver's seat, police said. Li has been taken into custody.

Police disclosed that the two used to be lovers. The man was still interested in continuing the relationship with Li after she married another man and got pregnant. Further investigation is still underway.