A 28-year-old had been in holding since March in relation to the series of car fires around Hesperange.
The judiciary confirmed that the individual concerned was provisionally released on the 3 May, since the conditions for keeping him in custody no longer applied.
Since his indictment there were at least 8 additional car fires.
Previous coverage
Fourth vehicle set on fire within a week in Hesperange area (3 January 2019)
Individual detained in connection with car fires (9 April 2019)
Arson or technical faults - what do insurers pay out? (11 April 2019)
Car on fire in Bonnevoie (13 April 2019)
Car on fire on Sunday night (15 April 2019)
Car fires in Hesperange, fire fighter presumed perpetrator (23 April 2019)
While not available in English, the below videos provide further detail and images.