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Bomb in Istanbul injures two - report
It was not clear if the two incidents were related, but Kurdish separatists, Islamists, far-left groups and the extreme right have all carried out bomb attacks in Turkey in the past.
Ambulances went to the scene of the blast in Gaziosmanpasa, a run-down outlying area of Istanbul where far-left groups and Kurdish militants have been active.
Initial reports indicated two people were injured, the agency said.
Earlier, police defused a device close to a five-star hotel and a former Ottoman palace in the Besiktas area of the city.
(Writing by Jon Hemming; Editing by Alison Williams)