The sources also stated that the project has alarmed the Hamas regime in the Gaza Strip , which charges an annual $2,500 for the right to operate a tunnel .
They added that most of the 1,500 tunnels between Gaza and Egypt remained unaffected .
The sources also stated that the project has alarmed the Hamas regime in the Gaza   , which charges an annual $2,500 for the right to operate a tunnel .
They added that most of the 1,500 tunnels between Gaza and Egypt remained unaffected .