Two Houston synagogues received bomb threats.The bomb threats were called in to Congregation Beth Israel, a Reform synagogue, and Congregation Or Ami, a Conservative synagogue, on Wednesday afternoon.Both synagogues canceled Hebrew school classes for Thursday but said they would reopen Friday with more security, according to the Houston Chronicle.The Houston Police Department, Anti-Defamation League, FBI and Department of Homeland Security all were notified about the threats, Congregation Beth Israel told the Houston Chronicle in an email.