Islamabad Capital Territory Headquarters of all major telecommunication operators such as PTCL, Mobilink, Telenor, Ufone, and China Mobile are located in Islamabad. The Rawalpindi-Islamabad Metrobus is a bus rapid transit system that serves the twin cities of Rawalpindi and Islamabad in Pakistan. It uses dedicated bus lanes for all of its route covering 24 bus stations. Islamabad is well connected with other parts of the country through car rental services such as Alvi Transport Network and Pakistan Car Rentals. All major cities and towns are accessible through regular trains and bus services running mostly from the neighbouring city of Rawalpindi. Lahore and Peshawar
Islamabad Marriott Hotel bombing parliament. The Marriott was the most prestigious hotel in the capital, and was located near government buildings, diplomatic missions, embassies and high commissions. During the investigation, three suspected terrorists were arrested by the Pakistani police. They were suspected of having facilitated the suicide bomber. However later they were acquitted of all charges as no evidence was ever presented against them. A few months after the hotel's bombing the Government of Pakistan had re-constructed it, and the Islamabad Marriott reopened officially on 28 December 2008. The hotel blast caused a severe natural gas leak that set the top floor of the