The whereabouts of Kenyan activist Boniface Mwangi and Ugandan advocate Agather Atuhaire remained unclear Wednesday, a day after reports emerged of their release from police custody in Tanzania.

The two were reportedly freed around 2 p.m.

on Tuesday, May 20, but have not made contact with their families or close associates, fueling speculation and concern.

According to Boniface Mwabukusi, president of the Tanganyika Law Society, the pair was released from police custody but not deported, contrary to earlier reports. "It has now come to our attention that, contrary to initial information, the two individuals have not yet been deported.