https://www.reuters.com/article/us-russia-megafon-hpe-court/russias-megafon-sues-hewlett-packard-in-u-s-over-network-outages-idUSKCN1NB1X3

Megafon, Russia's No. 2 mobile phone operator, is suing Hewlett Packard Enterprise in a California court, over major outages on its cellular network, court documents show.