Cape Town – Food security has become a major concern as torrential rains are expected to continue in the southern African country of Malawi.According to Eye Witness News, more than 200 people were confirmed dead and many were missing or trapped in inaccessible areas, following flash floods caused by days of torrential rains exacerbated by Tropical Cyclone Bansi. The rains have swept away roads, bridges and destroyed thousands of crops. An estimated 100 000 people have been left homeless.Flood victims make their way to a relief station with their salvaged belongings at Bangula, Malawi, in the southern district of Nsanje. (Thoko Chikondi, AP)CNN reported on Sunday that workers in Malawi were using helicopters and boats to help rescue those cut off by deadly the floods.Heavy rains in African nation of Malawi causing deadly flooding; rescue efforts underway. http://t.co/HdDrVErB00 pic.twitter.com/AFMB9wYNLI— CNN Breaking News (@cnnbrk) January 18, 2015It's also feared that the spread of disease can claim more lives due to contamination, according to SABC.Watch the video belowA Sapa report over the weekend said South African aid group Gift of the Givers distributed numerous relief parcels to displaced families.The parcels contained staple food, blankets, eating utensils, water purification tablets and plastic sheets.Reports also say a team from Rescue South Africa is set to assist the flood victims. SA's international relations department gave the rescue team the green light to deploy more than 20 rescue workers to Malawi. This comes after President Peter Mutharika visited victims in central and southern Malawi on Friday and called for international assistance. Mutharika declared 15 of the 28 national districts disaster zones.