Late last night, people across Cairo woke up to the sound of a boom. It was heard across the capital by people in various neighborhoods spread across the city. This is nothing new (although the volume of the explosion was notable).

Confusion ensued among Twitter users as people awaited initial reports of the source and location of the sound.

https://twitter.com/TamerELG/status/634151196073304066

Translation: “The explosion heard in Maadi, Imbaba, Garden City, and Zamalek reminds me of the explosion at the Cairo Security Directorate– a muffled sound and light jolt.” 

Youm7 was one of the first outlets to publish a brief report about the blast.

Translation: “Breaking: echo of a huge explosion heard in…