Siege of Khartoum population of Khartoum was about 34,000. Gordon's plight excited great concern in the British press, and even Queen Victoria intervened on his behalf. The government ordered him to return, but Gordon refused, saying he was honour-bound to defend the city. By July 1884, Gladstone reluctantly agreed to send an expedition to Khartoum. The expedition, led by Sir Garnet Wolseley, took several months to organise and only entered Sudan in January 1885, but by then the situation of the Egyptian garrison and civilians had become desperate, with food supplies running low, many inhabitants dying of hunger and the defenders' morale at
Khartoum Bridge (finished in October 2007) and the Tuti Bridge that links Khartoum to Tuti Island. In the 21st century, Khartoum developed based on Sudan's oil wealth (although the independence of South Sudan in 2011 affected the economy of Sudan negatively). The center of the city has tree-lined streets. Khartoum has the highest concentration of economic activity in the country. This has changed as major economic developments take place in other parts of the country, like oil exploration in the South, the Giad Industrial Complex in Al Jazirah state and White Nile Sugar Project in Central Sudan, and the Merowe Dam