The network will be completed by 2020 and will cover 70 kilometres with 37 stations.
The CAS upheld new IAAF rules which attempt to restrict testosterone levels in female runners such as South Africa's Semenya.
Qatar's kefala system was widely criticised by human rights NGOs after several foreign workers died on construction sites in the country.
Qatar, which will withdraw from OPEC in January 2019, is the first Gulf country to leave the bloc of oil-producing nations
The Emir of Qatar says his country is ready for dialogue to resolve a diplomatic crisis with a Saudi-led group, but stressed that any solution must respect national sovereignty.
The United Arab Emirates was not responsible for an alleged hack of Qatari websites, the UAE's minister of state for foreign affairs said on Monday.
French foreign minister in Qatar for talks
Qatar and US sign deal to cooperate over combating terrorism funding but Doha's critics keep up their sanctions
Qatar crisis: Gulf neighbours to continue boycott after Doha's "negative " response to ultimatum
A closer look at the 13 demands made by the four Arab states.
Qatar's foreign minister has arrived in Kuwait with a handwritten response to demands by four Arab nations
Qatar is given 48-hour extension to a deadline issued by its neighbours linked to terrorism allegations
Qatar says its sovereignty is at stake and that it won't shut down the Al Jazeera satellite channel.
Turkey’s defence minister says his country has no plans to review its military base in the Persian Gulf state of Qatar.
Fikri Isik’s comments come
Turkey's defence minister says his country has no plans to review its military base in Qatar.
Turkey is to boost its aid to Qatar.
Qatar’s Ministry of Defense said on Wednesday the country signed a deal to buy F-15 fighter jets from the United States for $12 billion.
Turkey offers diplomatic support to Qatar amid the crisis in the region, with a visit from its foreign minister, Mevlüt Çavuşoğlu.
It is a very complex situation where common ground has to be found.
Those words from the US Defence Secretary in front of the House Armed Services
US officials believe a Russian hack may be among the causes for a rift between Arab Gulf nations.
Jordan and the West African country of Mauritania which is a member of the Arab league, have either downgraded or cut diplomatic ties with Qatar in
A diplomatic Tsunami has hit the Gulf region following the unprecedented move by Saudi Arabia, the United Arab Emirates, Bahrain, Yemen and Egypt to
Some insights into how Qatar could deal with their current situation based on crisis communications and political strategy
Four neighbours of Qatar have severed their ties with the oil-rich Gulf state, but why have they take the seemingly extreme step?
A number of Arab countries have severed links with oil-rich Qatar accusing the country of supporting militant groups such as ISIL and al-Qaeda
Four countries in the Middle East have severed their ties with Qatar, accusing the Gulf state of supporting terrorism.
Bahrain has accused Qatar