CAIRO (Reuters) – The mother of jailed Egyptian-British activist Alaa Abd el-Fattah says she is worried there could be a rapid deterioration in his health after nearly 90 days on hunger strike, despite some improvements in his prison conditions. Abd el-Fattah, a 40-year-old blogger who rose to prominence with Egypt’s 2011 uprising, has become too weak to do his own washing or climb to look out of a high window in his cell, his mother Laila Soueif said. “He’s really, really getting into a dangerous zone,” Soueif told Reuters. “I’m seriously worried because I know that in this kind of situation …