Welcome back to the City AM liveblog - for your top news, updates and analysis from the FTSE 100 and other UK markets.

Welcome back to the City AM liveblog - for all your top news, updates and analysis from the FTSE 100 and other UK markets.

Rolling coverage of the latest economic and financial news

Brent crosses $100 mark as Tehran warns of retaliation.

Welcome back to the City AM liveblog - for all your top news, updates and analysis from the FTSE 100 and other UK markets.

The FTSE 100 closed up 13.62 points, 0.1%, at 10,505.01.

Welcome back to the City AM liveblog - for your top news, updates and analysis from the FTSE 100 and other UK markets.

European stocks were down on the heels of fresh military action in the Middle East which raised oil prices and cast doubt on peace in the region.

The FTSE 100 closed down 79.05 points, or 0.8%, at 10,425.96.

Welcome back to the City AM liveblog - for your top news, updates and analysis from the FTSE 100 and other UK markets.