ROK Foreign Minister Yun Byung-se stopped short of calling for Pyongyang's expulsion from the UN.
The reaction followed EU call for an end to the “current wave of extrajudicial executions and killings” in the Philippines.
Moscow denies the US claim, saying there is no evidence that the aid convoy was struck from the air.
Amid fear of escalation of hostilities with Pakistan, some Indian officials called for a measured response.
The attack plunged the US-Russia-brokered Syria truce further into doubt.
The long-range nuclear capable ballistic missile was developed jointly with Israel.
Opposition MPs sought the resumption of talks with Pyongyang while ruling party lawmakers demanded stronger sanctions.
The firing took place along border in Baramulla district, about 125 km northwest of Srinagar in Indian-controlled Kashmir.
The flight crew said they made a mistake in sending the emergency message.
Andy Hall of the Migrant Worker Rights Network was given a three-year suspended sentence, a move rights groups said sets a worrying precedent.