Rags Martel also asked James McAvoy about Trance, a thriller directed by Danny Boyle that is due out at the end of this month, and about taking on the role of Macbeth in the West End.
The actor is currently starring in the Shakespearean tragedy at the Trafalgar Studios.
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Scotland Yard said two murder investigations have been launched following the separate incidents, which both happened in the past week.
Photos show the extraordinary surgical procedures to remove the growth.
The Met Police says 143 firearms have been handed in at stations across the capital in just seven days, including two antique machine guns.