Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: @arunjaitley pls do the action immediately  against  terror.  Otherwise innocent  people  will die.
This tweet contains emotions: 
fear