YAOUNDE, Nov. 1 -- At least 25 people were killed and 22 others injured in intercommunal clashes in a border area between Chad's western provinces of Hadjer-Lamis and Barh el Gazel, authorities said late Saturday.

In a statement posted on social media, the Ministry of Territorial Administration and Decentralization said the clashes involved two "sister communities." A total of 39 people arrested in connection with the violence had been transferred to the capital, N'Djamena, for further judicial proceedings.

The government had dispatched a delegation led by Minister of Public Security and Immigration Ali Ahmat Aghabach to the affected area to address the situation, according to the statement.

The authorities said they would conduct a fu...