A tunnel from Gaza into Israel was discovered by the Israeli
military last week, the Israel Defense Forces said Sunday.  In
response, Israel said it was halting supplies for concrete and
construction materials going into Gaza.  The tunnel is roughly
18 meters (59 feet) underground and stretches for some 1.7
kilometers (1.06 miles).  In video that Israel's Channel 10
aired, the tunnel appeared to be wired for electricity and was
high enough for a man to stand, walk or run though. An Israeli
reporter who was inside the tunnel reported seeing markings and
dates indicating the tunnel had been completed in July.  The
Israeli military said the most likely use for such a tunnel
would be to kidnap soldiers or civilians and take them back into
Gaza to trade for Palestinian prisoners.  A similar tunnel was
used to kidnap soldier Gilad Shalit in June 2006. His capture
ended five years later after Israel released more than a
thousand Palestinian prisoners.  The new tunnel increases
concerns on the Israeli side for its sh