PRESS DIGEST-Financial Times - March 21

March 21 (Reuters) - The following are the top stories in the Financial Times. Reuters has not verified these stories and does not vouch for their accuracy.

Headlines

- London's Heathrow airport to be closed all day after fire cuts power

- GB Energy makes first investment with 110 million pounds for clean energy

- European military powers work on 5-10 year plan to replace US in Nato

- Accenture warns Elon Musk's Doge-led spending crackdown is hitting revenues

Overview

- London's Heathrow airport has been forced to close until midnight after a fire at a nearby electricity substation caused a "significant power outage".

- The first investment for the UK's new state-owned energy company Great British Energy will be 110 million pounds in grants to fund solar panels and other clean energy production.

- Europe's biggest military powers are drawing up plans to take on greater responsibilities for the continent's defence from the US, including a pitch to the Trump administration for a managed transfer over the next five to 10 years.

- Accenture has warned that Elon Musk's efforts to slash U.S. government spending have started to affect its revenues, with the consulting group also highlighting threats from global economic uncertainty.