Spain's National Court

A machete-wielding man killed a sexton and injured a priest at two Catholic churches in the city of Algeciras on Wednesday before being arrested, Spain's interior ministry said. Authorities are investigating the attacks as a possible act of terrorism.

The suspect is in the custody of Spain's National Police. The ministry did not identify him.

Rwandan spy chief Karenzi Karake arrived for a court hearing in London on June 25 after President Paul Kagame slammed his arrest on a Spanish-issued warrant as "absolute arrogance and contempt".