Up to 500 Salisbury pub-goers and diners are told to wash possessions after nerve agent traces are found.
As Sergei and Yulia Skripal remain in critical condition, a friend says they had "the perfect family".
Live coverage of Saturday's League Two game between Swindon Town and Cheltenham Town.
The home secretary will lead the emergency committee meeting, a day after visiting the crime scene.
The guitar had expected to fetch £10,000 at auction.
Service personnel will help remove contaminated items, as ex-spy and his daughter remain critical.
The home secretary visited the scene of the poisoning of an ex-Russian spy and his daughter.
Sergei Skripal and his daughter Yulia remain in a "very serious" condition, the home secretary says.
The arduous task of building Stonehenge was as important as its final intended use, historians claim.
Det Sgt Nick Bailey was in intensive care after the attack but is "stable and conscious".
Team news as Bath host Northampton Saints in Friday's Anglo-Welsh Cup semi-final at The Recreation Ground (19:45 GMT).
The attack of Sergei Skripal and his daughter was 'in the most cruel and public way", the home secretary says.
Applications to join the scheme are from areas at "high risk" of bovine TB, Natural England says.
Officers seek the origin of the chemical used in the attack and the home secretary is expected to speak.
A police officer who came to help Sergei Skripal and his daughter Yulia is also seriously ill.
Assistant commissioner Mark Rowley reveals substance used in Salisbury attack was a nerve agent.
Controversial plans to extend the Premiership season are "dead in the water" according to players' union chief Damian Hopley.
Bath and England flanker Sam Underhill will miss the rest of the Premiership season after rupturing a tendon in his big toe.
Police are treating the "targeted" poisoning of Sergei Skripal and daughter Yulia as attempted murder.
England have not discussed earning a bonus point against France despite potentially needing one to keep their Six Nations hopes alive.