On the evening of 27 December the press service of the defense Army of Israel has warned that in the next few hours the residents of the Upper Galilee can hear the explosions.
The military asked citizens to remain calm, because we are talking about planned works.
Note that on December 20 the residents of Qiryat Shemona and other settlements in Northern Israel were concerned thundered explosion. It later transpired that the bomb squad defused a 122mm rocket «grad» during the Second Lebanon war. The residents were not warned about the work of engineers.