(Adds details, quotes) N'DJAMENA, Jan 24 (Reuters) - Chadian authorities on Wednesday arrested the hijacker of a Sudanese passenger plane after it landed at N'Djamena airport, a Chadian minister said. "He has been arrested and will answer for his actions ... Chad is not a sanctuary for terrorists," Chad's Infrastructure Minister Adoum Younousmi told Reuters. The Air West domestic Sudanese flight had been hijacked by an armed Sudanese man on its way from Khartoum to Sudan's west Darfur region, and diverted to Chad's capital. An airline official said earlier that the Boeing 737 with 103 on board had landed safely at the Chadian capital N'Djamena and that the hijacker had requested asylum from the French embassy. The Chadian minister said the hijacker, a young Sudanese man who said he was persecuted in his own country, had requested guarantees from the French embassy before he gave himself up. But Younousmi said: "Chad alone is handling this crisis".