Yesterday’s (4th March) clues all led to solutions with connections to the word/letters ‘AL’:

Aluminum/aluminum (remember, we asked for the UK spelling) has the chemical symbol of ‘Al’

Al Capone was a gangster’;

Alberta (the Canadian province) has the capital of Edmonton and is abbreviated to ‘Al’ (as is Alabama, but that’s different);

Al is the word/prefix in Arabic which means the;

Al fresco is an Italian term meaning ‘in the open air’, often appearing in English meaning the same thing