Egypt’s army blamed the outlawed Muslim Brotherhood for an attack on an army bus which killed one officer and wounded three others in the capital on Thursday, violence underscoring growing security threats to the military-backed government.

The Muslim Brotherhood strongly condemned the attack in an emailed statement, saying the targeting of army soldiers and civilians is a “heinous crime that requires a thorough and transparent investigation to bring the perpetrators to justice.”

They accused the military-backed government of trying to implicate the Brotherhood in the attack for political reasons. […]