* Opposition to fracking mounting in Britain (Adds Scottish vote, consultant comment)
PARIS, Jan 28 - An inquiry was under way on Wednesday after French trade unionists turned the lights off on a keynote speech by Prime Minister Manuel Valls in protest at planned energy reforms.
MEXICO CITY, Jan 28 - Mexico does not see much space for top crude producers to cut output in a bid to boost prices and a planned February meeting between Saudi Arabian, Russian, Venezuelan and Mexican officials has not yet been confirmed, Mexico's energy minister said on Wednesday.
VIENNA, Jan 28 - Slovak pipeline operator Eustream expects to sign a memorandum of understanding in the next two weeks with counterparts in Romania and Bulgaria on a proposed gas pipeline aimed at reducing Balkan reliance on Russia, its chief said on Wednesday.
LONDON, Jan 28 - Scotland has imposed a moratorium on shale gas planning permits and is launching an assessment of the impact of shale gas on public health, Scottish Energy Minister Fergus Ewing told the Scottish Parliament on Wednesday.
No related earnings announcements are currently scheduled within the next 7 days.