Two people have been killed after being hit by a train at Slough in Berkshire. Police are currently treating their deaths as suspicious.
A group calling itself the IRA has claimed responsibility for suspect packages sent to armed forces recruitment centres last week. Scotland Yard said a group using a recognised codeword had contacted a media outlet in Northern Ireland on Saturday.
Four suspected explosive devices were discovered at Army careers offices in Oxford, Brighton, Canterbury and the Queensmere shopping centre in Slough last Thursday.
This map shows the locations across the South East where suspect packages have been found in the last three days.
The blue markers designate packages that were found on Tuesday, green is for yesterday and the red markers are for today.
Counter-terrorism police are investigating reports of a suspect package being found at an army careers office in Slough. Packages were also found at Oxford and Brighton. Similar packages were found yesterday in Aldershot, Reading and Chatham.
Ministry of Defence bomb disposal units have been called which is routine with any suspect package. Detective Superintendent Stan Gilmour, of the south east counter terrorism unit, said:
"Because suspicious packages were found at various locations yesterday, notes were sent out to all the army careers offices, as well as the Post Office, asking staff to be extra vigilant and look out for any suspect packages."