David Cameron today expressed his condolences for a “deeply shameful” episode in British colonial history when hundreds of unarmed Indian protesters were shot dead by soldiers of the British army. He stopped short of making a formal apology.Related StoriesPakistan PM orders Quetta security operationNorth Korean diplomat threatens South KoreaThe Shanghai office block that is the source of 90 per cent of cyber attacks on AmericaCyber-assault HQ: how US is under attack from this office in ShanghaiDavid Cameron's condolences may not be enough to heal Indian wounds