Police said Monday they indicted two foreigners without detention for allegedly running through the streets naked while playing a game of "truth or dare" earlier this month and slapped them with a travel ban.

The 21-year-old suspects, whose identities were withheld, were from the United States and Australia. Police said they were staying in South Korea as exchange students at a local university over the summer months.

"The students were playing truth or dare at a foreigner-friendly bar located in the university district of Sinchon. They ran around naked as a penalty of the game," a police official said.

Another Australian national was also charged with a misdemeanor for filming the suspects running naked.

Police added they issued a travel ban on the two students, as their departure date approached. (Yonhap)