One person has been slightly injured after the boats hit each other.
A video posted online shows the two Carnival Cruise Line ships crashing into each other, damaging the stern on one vessel, in the port of Mexico's island of Cozumel.
No other serious injuries have been reported while the cruise operator says their itinerary remains unaffected.
Floods, landslides kill 56 in India and 14 in Nepal
Heavy rain and storms have triggered floods and landslides that killed 56 people in India, while in Nepal, 14 have died and another 11 are missing, with authorities warning on Sunday that more flash floods are possible.
British police arrest five men at US air base in major incident
British police arrested five men near a US air base on suspicion of explosive and terrorism offences on Sunday after a tip-off that three vans had been heading to the military airfield which has been used to strike Iran.
Bill Gates joins calls for AI safeguards, including legislation
AI requires safeguards that go beyond self-regulation, Microsoft co-founder Bill Gates said in an interview that aired on Sunday, calling for legislation to be passed in Congress.
Russian attacks kill three in Ukrainian cities
Russian attacks killed three people in two different Ukrainian cities on Sunday and struck districts of the capital Kyiv, local officials said.
The UAE launched an international call for stronger action against environmental crime on Sunday during the UN Crime Congress in Abu Dhabi, as officials warned of growing links between offences involving natural resources and organised criminal networks.
His Highness Sheikh Hamdan bin Mohammed bin Rashid Al Maktoum, Crown Prince of Dubai, Deputy Prime Minister and Minister of Defence, approved the strategy and operating budget of the Dubai Longevity Authority on Sunday.
His Highness Sheikh Abdullah bin Zayed Al Nahyan, Deputy Prime Minister and Minister of Foreign Affairs, attended a UAE-hosted Youth Dialogue in New York on Sunday on the sidelines of the 81st United Nations General Assembly.
