Bomb blast at a luxury hotel in Pakistan ;Chinese ambassador targeted?

A bomb blast near the city of Quetta in Pakistan had killed at least four people and injured 12 others.BBC

Also it is reported according to the foreign media thaChinese ambassador to Pakistan may have been the target of the attack as he is currently on a visit to Quetta, the center for the conflicts Balochistan province of Pakistan.

However, it is reported that he was not at the hotel at the time of the attack.