A court in Egypt has ruled that the government must destroy all tunnels between Egypt and the Gaza Strip to end smuggling of weapons and good. President Mohammed Morsi’s national security advisor said the two-way flow of arms is destabilizing the Sinai Peninsula. Egypt has already flooded dozens of tunnels, sometimes with sewage. An estimated 30 percent of goods that reach the 1.7 million Palestinians in Gaza come through the tunnels as a way of circumventing the blockade imposed by Egypt and Israel for more than seven years. An estimated 2000 tunnels are used to ferry weapons, spare car parts and even animals from Gaza to Egypt.