US President Donald Trump has renewed his support for the unproven drug, hydroxychloroquine, describing it as extremely successful in treating the deadly coronavirus.<br /><br />He also defended a doctor who appeared in a viral video he retweeted, which was removed from Twitter because it violated the social media site's policy on misinformation about the coronavirus.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline