The present invention concerns a line release assembly and a connecting mechanism for use with an unmanned aerial vehicle ("UAV"), a UAV including the line release assembly and methods of use thereof. The line release assembly including a pair of opposed clamping members configured to be carried by the UAV, said clamping members configured to clamp against one another and releasably hold a portion of a line and release the portion when tension in the line exceeds a pre-set tension.