Amazon boss Jeff Bezos and wife MacKenzie to divorce

• Couple announce divorce after a long trial separation
• World's richest man believed to be worth about $137bn

Jeff Bezos, the boss of Amazon and the world's richest man, has announced his divorce from MacKenzie, his wife of 25 years.

Bezos, who married MacKenzie (ni(C)e Tuttle) in 1993, a year before he started Amazon from his garage in Seattle, broke the news of the split in a tweet signed by both of them.