A series of blasts last week in Thailand that set off accusations between Iran and Israel involved bombs disguised as radio sets, police said Wednesday. The devices used explosive materials that are not available in Thailand and were likely smuggled in, police said. Police are also looking at a series of stickers reading "SEJEAL," which were found found in busy areas of Bangkok. In all 18 have been collected so far from phone booths and street signs, authorities said. "Sejeal" is an Arabic word found in the Quran, referring to small pieces of stone. The Bangkok blasts did not kill anyone, and their intended targets are not clear, although authorities have said they were intended for Israeli diplomats. Suspect taken to Bangkok blast site Israeli diplomats targeted in Thailand Explosions...