The headquarter of South Korean tech giant Samsung in Seoul was evacuated on Friday after police received a report that an explosive was placed inside the building.

According to local broadcaster YTN, some 3,000 employees of Samsung, the country's biggest family-controlled conglomerate, were urgently evacuated after the police received the report around 11.20 a.m., Xinhua news agency reported.

However, no explosive was found after two hours of search.

One text message written in English was sent to a person living in South Korea's port city of Busan that Samsung Life Insurance's building would be exploded.

The Samsung headquarters located in Seoul's upscale Gangnam district is composed of three high rises, including the one of Samsung Life Insurance.

The person who sent the message is yet to be identified.