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: #Aleppo city is burning. The head of #terrorism #Assad regime &amp; #Russia are bombarding the city right now with #whitephosphrus #bombs !
This tweet contains emotions: 
anger, disgust, fear, sadness