A hurricane due to hit Jamaica and Cuba has intensified and could reach Category 5 - the highest - when it makes landfall either this evening or early on Tuesday, forecasters have warned. It is expected to bring catastrophic floods, landslides and storm surges to the region, the US National Hurricane Center (NHC) said. Jamaican authorities have urged residents to evacuate to one of 900 shelters set up across the island. And on Sunday night, Prime Minister Andrew Holness issued mandatory evacuation orders for Port Royal in the capital Kingston and six other areas. Storm Melissa currently has maximum sustained winds of up to 140mph (220kph) and is expected to strengthen as it heads towards Jamaica. SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews Follow us on Twitter: https://twitter.com/skynews Like us on Facebook: https://www.facebook.com/skynews Follow us on Instagram: https://www.instagram.com/skynews Follow us on TikTok: https://www.tiktok.com/@skynews For more content go to http://news.sky.com and download our apps: Apple https://itunes.apple.com/gb/app/sky-news/id316391924?mt=8 Android https://play.google.com/store/apps/details?id=com.bskyb.skynews.android&hl=en_GB Sky News Daily podcast is available for free here: https://podfollow.com/skynewsdaily/ To enquire about licensing Sky News content, you can find more information here: https://news.sky.com/info/library-sales