Hyderabad, June 11 -- Iran on Thursday, June 11, said recent US military strikes had effectively nullified the ceasefire reached earlier this year, as military exchanges, diplomatic activity and maritime disruptions heightened tensions across the Middle East.

In a statement, Iran's Foreign Ministry described the attacks as unlawful and said they had rendered the April 8 ceasefire "practically meaningless". Tehran accused Washington of violating international law and warned that the US leadership would bear responsibility for the consequences of its actions.

The ministry later issued a separate statement condemning what it called "criminal attacks" by the United States and urged UN member states to oppose what it described as a gross vio...