An explosion at a bus stop that rocked the Etiler neighborhood of Istanbul early on Thursday and was most likely caused by a bomb, injured seven people, officials said. The explosion took place near Akmerkez, one of Istanbul\'s leading shopping centers. Initial reports said one person was injured but Istanbul Governor Huseyin Avni Mutlu said seven people, including a police officer, were injured in the blast, according to Turkish Today\'s Zaman.