A publicity official with the Ministry of Railways explained that the delays were to ensure passenger safety.

铁道部一名宣传官员解释，列车晚点是为了保证乘客的安全。

youdao

The Swiss foreign ministry said it was in contact with Yemeni authorities to ensure the woman's release and safety.

BBC: Swiss woman kidnapped in western Yemen

But an unnamed ministry official told Yonhap news agency that South Korea had asked UN human rights agencies to help ensure the safety of nine refugees.

BBC: US concern over N Korea refugees 'returned by Laos'