suspicious package found on train

The last days / month it has been raining threats and arrests have been made regarding boms and suspicious packages. Thursday night a person had been arrested on suspicioun of a possible bomb threat. He was arrested in a train an had been seen with a suspicious package. The police has not yet released any information regarding the package. The only thing that has been said was that the person was definately connected to the possible bomb package.

A small recap;
june 11, 2011 A minor explosion at Ikea Dresden (Germany)
may 30, 2011 several small explosions in The Netherlands, Belgium and France. In Gent, Belgium, two people got enjured. On the same day two more explosions take place, in Son, The Netherlands and in Lille, France. No enjuries there.

March 12, 2009 A threat of a bombing reaches the authorities and a mall in Amsterdam, NL is evacuated. This threat seemed to be false.

december 3, 2002 All Ikea branches in Netherlands are being closed because of bomb threats and several suspicious packages were found. In two of the store actual explosives were found.

Ikea victim of terrorists?

Several Ikea locations in the Netherlands have been treatened by bombers. In Son a small city in the Netherlands a bomb had gone off at an ikea location. The bomb was placed in a trashbin inside the store. The police got warned for this device with code 1000 which means Bomb or terroristic threat.
At the same time there was a bomb threat at Ikea in Belgium (in a alarmclock) and France (not specified).
Research has shown, the bombs all consisted of fireworks, relatively small explosives but harmfull enough to severley enjure someone!
The police is investigating if these bombs are connected to eachother and stay in contact with the authorities in Belgium and France.