A group of 21 activists who tried to sail to Gaza in breach of an Israeli blockade of the territory remain in Israeli custody, pending legal proceedings, the interior ministry said on Sunday.
The swarm of tunnel activity on the Gaza border raises clouds of fine dust, a sure sign of the boom in underground trafficking since the fall of Egypt's Hosni Mubarak.
Israel began deporting all the foreign activists detained during a deadly raid on a Gaza-bound aid flotilla, as international pressure mounted for a full investigation of the incident.
A flotilla of ships carrying activists and aid for the blockaded Gaza Strip finally steamed south from Cyprus Sunday, heading for a fleet of Israeli naval vessels determined to stop them.
