New Delhi: An Ola cab driver was allegedly assaulted on Monday morning by several African nationals after he refused to allow more than four persons in his cab, police said. According to police, the incident took place in South Delhi's Mehrauli area around 4 a.m. when a group of Africans (five men and one woman) booked a cab from CDR chowk in Mehrauli area to Dwarka. "As Naruddin (Ola cab driver) refused to carry more than four passengers in his car, he was thrashed by the six people, including a woman," a senior police official said. "Naruddin has sustained injuries on his face and was shifted to Jai Prakash Narayan Trauma Centre for treatment," the officer said, adding: "A case has been registered at the Mehrauli police station against the Africans for assault." After thrashing the driver, the five men fled but the woman was apprehended by the driver, police said. According to the driver, the taxi no.DL1YE5087 was booked through Ola mobile app from CDR chowk to Dwarka in the national capital. Earlier on Friday, Delhi Police registered four separate cases relating to assault of African nationals in the Mehrauli area. On May 20, a 23-year-old Congolese national Masonda Ketada Olivier was beaten to death by some youths after a spat over hiring of an auto-rickshaw in Vasant Kunj area of south Delhi.