Tatyana Bakalchuk's divorce from Vladislav escalated into a shootout, resulting in two deaths and injuries at Wildberries' office.

Here’s what you need to know about the bitter and increasingly violent struggle surrounding a company that saw $27 billion in revenues last year and what it says about doing business in Russia these days.

Vladislav Bakalchuk, the estranged husband of Russia’s richest woman, was arrested and charged with murder Thursday, his lawyers said, after a deadly shootout at the Moscow office of Russia’s largest online retailer.

Russia’s richest businesswoman, Tatyana V. Bakalchuk, has been locked in a dispute with her estranged husband for months over the fate of her company, Wildberries.