The former Nepal crown prince, Paras Shah, allegedly fire into the air during a heated argument with the newly-wed daughter and son-in-law of Deputy Prime Minister Sujata Koirala at an upmarket resort on Sunday.

Mr. Shah (38), the only son of the deposed king, Gyanendra, allegedly got into a verbal duel with Ms. Koirala's daughter Melanie after a drinking session.

No one was injured in the incident, sources said. Mr. Shah, in a statement, sought to defend his action, saying he could not bear insults against himself and his family.

Though no official complaint has been filed so far, the incident dominated newspaper front pages in Nepal on Monday and various political groups called for the arrest of the former prince, who returned to his country recently after a brief self-imposed exile in Singapore.

According to close friends of Ms. Koirala, the firing took place at the Tiger Tops Resort at Chitawan National Park in southern Nepal where Melanie and her Bangladeshi husband, Subel Chaudhary, were also present. During the argument, a drunk Mr. Shah held Ms. Koirala's father, the late Girija Prasad Koirala, responsible for hatching the conspiracy to abolish monarchy.

Witnesses said Mr. Shah, who was accompanied by his wife and young son, had to be escorted out from the dining hall for shouting at the guests.

Nepalese media quoted witnesses as saying the former prince fired as many as five times in the air.

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