A bracing system for bracing a frame formed of a plurality of frame elements. The bracing system comprises: a bracket having a first part releasably interlocked with a second part, wherein, when the first part is interlocked with the second part, the bracket is arranged to clamp a first of the plurality of frame elements; a first bar having a first end connected to the first part and a second end connected to a second of the plurality of frame elements, and a second bar having a first end connected to the second part and a second end connected to a third of the plurality of frame elements. The first part is arranged to transfer a load from the second frame element to a first side of the first frame element when the first and second parts are interlocked. The second part is arranged to transfer a load from the third frame element to a second side of the first frame element when the first and second parts are interlocked .