“A year after Hamas used cross-border tunnels to launch deadly attacks during the Gaza war, Israel is testing new techniques to detect the hidden passages as a ‘top priority’, sources say, but has yet to announce the system fully operational.
Beyond standard military secrecy, the reticence to trumpet the measures may be to mask lingering short-falls in the system and avoid giving Israelis a false sense of security as they return to homes near the Gaza Strip abandoned during the war.”
Source: A year after Gaza war, Israel tests new anti-tunnel measures | Reuters