The incident occured at around 8:15 p.m. Friday night, said Caldwell Police.
Police officers reached the scene less than two minutes after receiving the call.
Horsewood's owners explained the whole event. They said the young man had been sitting in the bar for some time when he suddenly climbed up on top of the bar, told everyone to be quiet, and yelled, "Allah is the only one true god."
Customers immediately ran out of the restaurant in panic.
Restaurant owners said Bell was wearing a backpack and customers thought that he was carrying a weapon.
The Horsewoods, along with the bartender and several other staff members, pulled the man, Ralmanzow Bell, 21, down from the bar and took him outside.
Police searched Bell's backpack but found only alcohol inside. He was then examined at a local hospital and booked into the Canyon County jail. Bell has been charged with disorderly conduct.