Security officers stand outside a mall following a blast in Athens, Sunday, 

Security officers stand outside a mall following a blast in Athens, Sunday, Jan. 20 2013. A bomb exploded Sunday at a shopping mall in Athens, slightly wounding two security guards, police said. (AP Photo/Kostas Tsironis)
Associated Press
Security officers stand outside a mall following a blast in Athens, Sunday, Jan. 20 2013. A bomb exploded Sunday at a shopping mall in Athens, slightly wounding two security guards, police said. (AP Photo/Kostas Tsironis)
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