MINNA, Nigeria Sept 18 (Reuters) - Security forces opened ​fire as people ‌took to the streets of a ​city in central ​Nigeria on Friday to ⁠protest against ​the deaths of ​37 detainees in the custody of a paramilitary ​force, witnesses ​said.

A Reuters witness said some ‌protestors ⁠in Minna, the capital of Niger State, were ​armed with ​sticks, ⁠machetes and traditional hunting ​rifles. At least ​one ⁠body lay on the streets.