ISLAMABAD , Pakistan ( CNN ) -- Pakistani authorities have arrested four men in connection with the suicide truck bombing of a Marriott Hotel last month in Islamabad that killed more than 50 people , officials said Friday . More than 50 people died in last month 's attack on the Marriott Hotel in Islamabad . The men appeared Friday before a magistrate in an anti-terrorism court in Rawalpindi , police and Pakistan Federal Investigation Agency investigators said . Although they have not been charged , the magistrate is allowing police to hold them for a week while the investigation continues . The magistrate ordered them back to court on October 31 . Authorities have not said how they believe these men are connected to the September 20 bombing . The men -- one of whom is a doctor -- were arrested at different times in different places , authorities said , but gave no additional details . They identified them as : Dr. Muhammad Usman and Tehseen Ulla Jaan , both from Peshawar ; Ilyas Rana Muhammad , from a village near Faiselabad in Pakistan 's Punjab province ; and Hameed Afzal Muhammad , from Toba Taik Singh district , also in Punjab province . In addition to the dozens killed , some 250 people were wounded in the suicide truck attack , which sparked a fire that left the hotel in ruins . The hotel , located near the diplomatic section of Islamabad , had been popular among tourists visiting Pakistan . It was crowded the night of the bombing .
Four arrested on suspicion of involvement '' in hotel blast in Pakistani capital . More than people died in September 20 attack on Marriott hotel , 250-plus injured . Score: 7