目击者对以色列媒体说，当时有一人登上大巴后，立刻发生了爆炸。

Witnesses told the Israeli media said，There was a man to go to the bus，The blast happened at once。

　　以色列总理内塔尼亚胡说，以色列将做出强有力的反应。他同时认为，有迹象显示伊朗涉及此事。

Israeli prime minister Benjamin netanyahu said，Israel will make a strong reaction。He also think，There is a sign that Iran was involved。

　　今年1月份有报道说，以色列要求保加利亚对乘大巴车旅游的以色列人加强安全保卫。

In January this year, a report said，Israel wants to take DaBaChe tourism of Bulgaria to strengthen the security of Israel。