A trial has begun in Germany for four alleged Hamas members suspected of organizing weapons caches across Europe.

Four men suspected of belonging to a clandestine Hamas cell are charged with preparing terror attacks in Europe. They are accused of creating arms depots under orders from the Palestinian Islamist group's armed wing.

A trial began Tuesday in Germany for four alleged members of U.S.-designated terror group Hamas who are suspected of organizing weapons caches across Europe. The country's top prosecutor accuses the men of membership in a foreign terrorist organization. It's a pilot case for prosecutors, German news agency dpa reported.

Four Hamas members suspected of plotting attacks on Jewish institutions in Europe went on trial in Berlin on Tuesday, in what prosecutors described as the first court case against militants of the Islamist group in Germany.