A controversial mobilisation law in Ukraine took effect on Saturday as Kyiv faces the challenge of boosting troop numbers amid a new Russian offensive threatening the second-largest city, Kharkiv. The revised legislation aims to simplify the identification of conscripts nationwide. It also offers incentives for soldiers, such as cash bonuses and financial aid for housing or a car, benefits that some analysts believe Ukraine may struggle to finance. After months of delays, the law was finally passed in mid-April, shortly after Ukraine lowered the draft age from 27 to 25. These measures highligh…