Ground to a halt! 11a Staff, keeping discipline, set off for work: m?n?f?e?d ?a?k. Minefield is the only word that comes up for the first part, and I can't find a two-word phrase with that as the first word. Also 25a Maiden during summer in the country's heading off: ??a???r?l - no idea on this one! Your help appreciated as always.