The Round Rock Police Department said officers have responded to eight bomb threats Dec. 13, although none of the threats are considered credible. All of the threats were received in emails and at least two are believed to have originated overseas, according to Nicholas Olivier, public information specialist for RRPD. There were no evacuations in connection the threats. The threats come amid a number of bomb threats sent to schools, universities and other locations across the country, according to the Associated Press. This story will be updated as more information is released.