THIRUVANANTHAPURAM: Chief Minister Pinarayi Vijayan, who had gone to the United States of America for treatment, has returned to the capital city. The plane landed in Thiruvananthapuram at 3 am Tuesday. He was received by chief secretary A Jayathilak and state police chief Ravada Chandrasekhar at the international airport. He went to undergo treatment at the Mayo Clinic in the USA on July 5 along with his wife Kamala Vijayan. The chief minister reached Dubai the other day. He returned home after spending a day with his son and family in Dubai.