Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
Tweet: #Malaysian police arrest 4 people for suspected links to #terrorism including three #foreigners\n\n#Malaysia
This tweet contains emotions: 
fear, sadness