Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @arunjaitley pls do the action immediately  against  terror.  Otherwise innocent  people  will die.
This tweet contains emotions: 
fear