The extremist group al-Shabab has claimed responsibility for killing 13 people in a village on the coast of Kenya. In Uganda, 17 died in attacks on police stations.
Nine out of 10 communications snagged by the National Security Agency were not from legally targeted foreigners, The Washington Post says.
The killing of Mohammed Abu Khdeir is thought to have been out of revenge. Meanwhile, Khdeir's American cousin, reportedly beaten by Israeli police, has been placed under house arrest.