New Delhi, July 6 -- US President Donald Trump is pledging to modernize America's outdated weather warning systems after catastrophic floods killed at least 43 people, including 15 children, across Central Texas early Friday morning.

Department of Homeland Security Secretary Kristi Noem said the administration was committed to fixing what she described as "ancient" forecasting technology that failed to provide timely warnings before the deadly flooding.

"That is one of the reasons that, when President Trump took office, he said he wanted to fix and is currently upgrading the technology," Noem said at a Saturday news conference alongside state officials.

"We know that everybody wants more warning time, and that's why we're working to up...