BA need to raise their game at LGW to stay with the LoCo's. Norwegian are already the 3rd largest airline in terms of pax number behind BA & Easyjet and well ahead of FR.
NAS go to 4 x daily to OSL from 1st April with early departures each way, although only 3 airframes will night stop to start the new base, in and back out aircraft will ramp up flight numbers rapidly, coming from LPA,AGP,TFS & ALC