The editorial office of Life Week, a Beijing magazine, received a bomb in the mail on Tuesday, Sina Media reported.

An employee quoted by Sina Media said a colleague received a parcel containing a bomb. The company immediately called the police and evacuated the building.

More than 30 police officers arrived at the scene and, after examination, it was discovered that the bomb had no explosive charges.

On Monday, a periodical office in Nanjing also received a "bomb" in the mail.

The boss of a creative firm in Shanghai surnamed Liu was detained, China News reported.

According to the report, Liu said he bought 60 toy bombs on the Internet and wanted to give them to well-connected clients as gift. He mailed 59 of them, 51 to Shanghai, one to Nanjing and seven to Beijing.

The suspect said he did not expect the panic that the toy brought and apologized to residents of Nanjing. However, police said he may still face charges.