Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: #Malaysian police arrest 4 people for suspected links to #terrorism including three #foreigners\n\n#Malaysia
This tweet contains emotions: 
fear, sadness