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.
Iranian foreign minister heads to Russia, Trump says 'call us' to negotiate
US President Donald Trump said Iran could telephone if it wants to negotiate an end to their two-month war, as Tehran's foreign minister landed in Russia on Monday to seek support from President Vladimir Putin.
Modi's BJP gains ground in India’s upper house after AAP lawmakers defect
Indian Prime Minister Narendra Modi’s BJP party strengthened its position in parliament’s upper house after seven opposition lawmakers joined it, a parliamentary list showed on Monday, a shift that could ease the government’s passage of legislation.
Israeli strikes kill 14 in Lebanon as residents warned to leave towns
Israeli strikes have killed 14 people and wounded 37 on Sunday, Lebanon's health ministry said, as the Israeli military warned residents to leave seven towns beyond the "buffer zone" it occupied before a ceasefire that has failed to fully halt hostilities.
Trump says Iran 'can call', as Iranian FM returns to Pakistan
President Donald Trump said on Sunday that Iran could call if it wanted to negotiate an end to the war launched by the US and Israel, as Iran's foreign minister returned to Pakistan for talks despite the absence of US counterparts.
Mali defence minister killed in major weekend assault
Mali Defence Minister Sadio Camara has been killed in an attack on his residence, the government said on Sunday, a high-profile fatality during coordinated assaults staged the previous day by fighters, including the West Africa al Qaeda affiliate.
