War of moles against hornets: Tunnels give Syria army a real headache 'Syria's security services allege that Palestinian militant group Hamas, which fell out with the Syrian regime over its response to the uprising, has helped train rebels in the art of digging tunnels. Hamas regularly tunnels under the borders of the Gaza Strip, into neighbouring Egypt and Israel. But Khatib rejects the allegations with a laugh. "So just because I eat noodles does that make me Chinese?" he said. "Necessity is the mother of invention." '