Does the existence of (left) Haar measure on a locally compact topological group require that the group be Hausdorff?

No. (Theorem 1 is a proof of existence of a left Haar measure given a locally compact group.) 


Does the existence of (left) Haar measure on a locally compact topological group require that the group be Hausdorff? 


No. (Theorem 1 is a proof of existence of a left Haar measure given a locally compact group.) 

