JAKARTA, May 27 (Reuters) - Indonesia's anti-trust

agency is investigating the local units of e-commerce platforms

Shopee and Lazada for suspected violations of anti-competition

rules, it said on Monday.

The companies are PT Shopee Internasional Indonesia, and PT

Ecart Webportal Indonesia, which operates Lazada, it said.

Shopee is owned by Southeast Asian technology firm Sea Ltd ( SE )

, while Lazada is Alibaba's Southeast Asian arm.