41.   The two groups exist on top of each other in the congested, hilly streets.

42.   They say their groups existed only to foster understanding of Middle East issues and to help care for Palestinian orphans.

43.   There is speculation that the group only exists only on paper.

44.   There was no way to verify the claim or to determine if the group actually exists.

45.   There was no way to verify the claim or to determine if such a group actually exists.

46.   In response, Venezuelan army commander General Julio Garcia Montoya denied the group existed and questioned the veracity of the video.

47.   Chiapas Governor Javier Lopez said there was no evidence that the new insurgent group actually existed but promised an investigation.

48.   Meanwhile, authorities -- including opposition political leaders -- have cast doubt on whether the group even exists.