A nuclear war between India and Pakistan would significantly impact global food security, according to nearly 20 scientists who analyzed the outcome of a potential nuclear standoff between the South Asian neighbors.

The research, published in the official journal of the U.S.’ National Academy of Sciences, revealed “the impacts of such low-likelihood but severe events … to inform the public and policy makers”.

“A limited nuclear war between India and Pakistan could ignite fires large enough to emit more than 5 Tg [teragram] of soot into the stratosphere,” said the article published in the Proceedings of the National Academy

Read more: Global food security at risk if India, Pakistan fight