It emerged Dave had kept all his emails to the bosses at Network Rail warning that staff shortages meant safety was being compromised and that a disaster was just waiting to happen.

BBC: Remarkable reconciliation in Grayrigg crash aftermath

Some of their radars are not even in Russia, due to the breakup of the Soviet Union, and the satellites in their warning network are starting to fail.

CENTERFORSECURITYPOLICY: Center For Security Policy

He has developed a community-based Early Warning Network System and regional data-sharing along with simple technologies to measure water levels and land contours to accurately forecast flash floods and the possible heights to which the water may reach.

FORBES: Three Social Entrepreneurs Already Working To Turn Extreme Weather Into Local Opportunities

My biggest gamble was to move my family hundreds of miles from their support network and, with hardly any warning, plunge them into a totally alien environment.

CNN: How English football cashed in on the rise of betting

But the Pentagon must overcome technological hurdles before it can achieve its objective of a fully integrated warning, detection and reporting network of sensors and command and control systems.

CNN: DOD deploying hazard-detection network

When any member of EVAC is hit by a novel virus, either a completely new one or a vicious variant of an old one, they pass on a warning which is distributed to all members of the network.

BBC: Watching the web for viruses

However, despite removing warning signs, it added that beach users should exercise caution until the sewage network was back to normal.

BBC: Torbay sewage pumping 'not affecting beach water quality'