Sharia is the law of Islam. ACT for America claims Sharia is incompatible with U.S. law and American values.
Local interfaith groups will put on a counter-protest nearby.
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"We want the voice of inclusion of diversity... of celebrating this very strong and vibrant community," said Diana Gibson, from Multi-faith voices for peace and justice.
"We met with San Jose police and both departments are going to have extra patrols. We don't anticipate any problems," said Lt. Dan Moreno with the Santa Clara Police Department.
ACT for America did *not return our request for comment.
The Southern Poverty Law Center considers ACT for America" to be a hate group.