▁in ▁M ous c ron . ▁▁ ▁Following ▁local ▁government ▁boundary ▁changes , ▁he ▁became ▁the ▁al der man ▁responsible ▁for ▁youth ▁and ▁sport ▁in ▁the ▁newly ▁en larg ed ▁municipality , ▁serving ▁under ▁the ▁mayor ▁. ▁▁ ▁In ▁February ▁ 1 9 8 0 ▁it ▁was ▁Jean - Pierre ▁Det rem mer ie ▁who ▁succeeded ▁Dev os ▁as ▁mayor ▁of ▁M ous c ron . ▁▁ ▁As ▁mayor ▁he ▁is ▁cred ited ▁with ▁having ▁attract ed ▁a ▁large ▁number ▁of ▁new ▁business es ▁to ▁M ous c ron , ▁and ▁over see ing ▁a ▁sust ained ▁period ▁of ▁remarkable ▁economic ▁res urg ence , ▁which ▁came ▁after ▁dec ades ▁of ▁steady ▁decl ine ▁between ▁the ▁ 1 9 3 0 s ▁and ▁the ▁ 1 9 7 0 s , ▁as ▁the ▁town ' s ▁fort unes ▁mirror ed ▁those ▁of ▁the ▁shr inking ▁Bel gi ans ▁text iles ▁industry ▁on ▁which ▁it ▁had ▁long ▁since ▁come ▁to ▁depend . ▁▁ ▁Det rem mer ie ' s ▁term ▁as ▁mayor ▁last ed ▁a ▁remarkable ▁ 2 6 ▁years . ▁▁ ▁As ▁he ▁became ▁eng ulf ed ▁in ▁alleg ations ▁of ▁financial ▁mal fe as ance ▁( which ▁he ▁robust ly ▁cont ested ▁during ▁the ▁de cade ▁that ▁followed ) ▁he ▁was ▁succeeded ▁in ▁December ▁ 2 0 0 6 ▁by ▁Alfred ▁G ad enne . ▁ ▁National ▁politics ▁On ▁the ▁national ▁stage , ▁in ▁February ▁ 1 9 8 1 ▁he ▁also ▁took ▁over ▁from ▁Dev os ▁as ▁a ▁member ▁of ▁the