Advanced Oncotherapy said its first-half losses deepened as it developed its proton therapy system for cancer treatment.

Pre-tax losses for the six months through June amounted to £11.5m, deepening from a loss of £7.9m on-year.

The company said its so-called Light system was now generating proton beams with energies sufficient to treat superficial tumours.

'We have exciting plans for the future commercialisation of the Light system once completely developed, and our discussions with potential partners around the world are ongoing,' chief executive Nicolas Serandour said.

At 2:44pm: (LON:AVO) Advanced Oncotherapy PLC share price was +0.5p at 42.5p