2 arrested in S. Korea for allegedly locking up 12-year-old girl for sex

The two unidentified men, both in their early 20s, were suspected of locking up the 12-year-old at a residential "officetel" (a multi-purpose building in S. Korea) in Shindang-dong, central Seoul, for about 11 hours from 9.30 a.m. Tuesday. 

The girl was discovered after her mother filed a missing report with police, Yonhap news agency reported. 

Police believe the two had sex with the juvenile during the lockup. The suspects, however, have reportedly denied sleeping with her and claimed they became close to the girl through social media six months ago. 

Authorities plan to further investigate the case and review whether to file a warrant to further detain the suspects.