Its normal to feel anxious in this situation. If you feel that repeatedly watching news making you anxious, stop watching news amd social media. Give some time to your hobbies. Listen to music, watch movie, read book. Don't put pressure on yourself. Try to have some physical activity. You can try meditation
Next Steps
If it doesn't resolve with these and you are having overwhelming anxiety, panic attacks, tremor etc, you can take help of psychiatrist.