More than 100 police officers have been working to locate a small vial or other container thought to have held the nerve agent that sickened the two.
"This is a very rare substance banned by the global community and for there to be two separate, distinct incidents in one small English county is implausible to say the least", Basu added. Sturgess and Rowley were found at a house in Amesbury, 11 km (7 miles) away.
"The brutal reality, however, is that I can not offer you any such assurances or guarantees at this time". It is not known if he has been told that his girlfriend has died.
A member of the audience suggested that authorities had not been looking for the Novichok until the latest incident.
Supplements Do Not Prevent Cardiovascular Disease
The new findings come on the heels of prior studies which showed that supplements have few, if any, health benefits. Millions of Americans take multivitamins as a quick fix for the nutrients missing from their diets.
North Dakota Tornado Kills Newborn, Injures Dozens
There were no tornado-related fatalities in May and June , the two most active and notorious months for tornadoes in the U.S. Schwartzenberger says his house half a mile from the RV park suffered siding, shingle and hail damage.
Fiat union red cards Ronaldo
Portugal made the last 16 of the tournament, in stark contrast to Italy, who failed to qualify for the first time since 1958. Its members will walk out at 22:00 local time on Sunday and remain on strike until 18:00 on the following Tuesday.