Mr elderly is showing some interest in his xwords today but needs help please to get his brain going. MEPHISTO 2424 1A - Was very hard - fouled in jump to make a violent interception? (9) ??S??H??? 15D - Crowds going by taxi rather a lot? (9) ???????E? AZED 1812 1D - Before the hour of d-drink, it offers two alternatives (6) ???G?? 29A - Aquatic insects: none act swimmingly (9) ??????C?A He would be grateful for any help - thanks