a locking connector is provided that comprises first and second connector parts configured to releasably engage with one another along a longitudinal axis of the connector . the first connector part comprises a plurality of circumferentially disposed resiliently bendable latching fingers each finger attached at one end to the first connector and having an ear at an opposite end . the second connector part comprises one or more recesses to receive the ears of the fingers . the connector comprises a locking ring , moveable along the axis such that in a first position the ears engage in the recesses to lock the connector parts together , and in a second position the ears are free to move radially outwards to enable the connector parts to be separated .