There is no possible procedure for pursuing denaturalization en masse, Cameron added, and it could probably only be applied to movement leaders or high-profile individuals.

However, today revelers can purchase sweaters made en masse by retailers like uglychristmassweater.com.

Community restaurants could, if established en masse, become institutions like the NHS, state schools and universities.

Instead, they are mostly standing still and wondering why the American people en masse are not rallying to their cause.

The president's late-night address caused dramatic scenes at the National Assembly, with protesters descending en masse as military personnel attempted to block entry to the building.