Photo taken on April 17, 2014 shows the Tunisian embassy in Tripoli, Libya. A Tunisian diplomat has been missing in Tripoli, Tunisian Ambassador to Libya Ridha Boukadi confirmed on Thursday. Sources said the diplomat was kidnapped by armed groups but Boukadi refused to disclose further details. (Xinhua/Hamza Turkia)

Photo taken on April 17, 2014 shows the gate of the Tunisian embassy in Tripoli, Libya. A Tunisian diplomat has been missing in Tripoli, Tunisian Ambassador to Libya Ridha Boukadi confirmed on Thursday. Sources said the diplomat was kidnapped by armed groups but Boukadi refused to disclose further details. (Xinhua/Hamza Turkia)

A police car parks besides the Tunisian embassy in Tripoli, Libya, on April 17, 2014. A Tunisian diplomat has been missing in Tripoli, Tunisian Ambassador to Libya Ridha Boukadi confirmed on Thursday. Sources said the diplomat was kidnapped by armed groups but Boukadi refused to disclose further details. (Xinhua/Hamza Turkia)