Research has found that pollen from genetically engineered by-strain of corn can kill has sparked concern over whether the crop is harming other insects and doing damage to the food chain.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/lab-designed-corn-may-be-harmful
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/financial-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture