<sod > "We also stand with the Calgary Police Service as this was also an attack on those who protect us." Nenshi said he has communicated with Edmonton Mayor Don Iveson to offer assistance.< eod>< sod >  "We also stand with the Calgary Police Service as this was also an attack on those who protect us." CPS said Sunday that it's working to determine whether there are any Calgary connections to the attack and what, if any, impact the incident will have locally.< eod>