world ahead of the commonwealth games in australia. and not one, not two, but three boaty mcboatfaces. the little yellow submarines, named by the public, set off on their first scientific expedition. and carol has the weather. thank you and good morning. they call thank you and good morning. they ca ll start thank you and good morning. they call start to the day with frost around first thing and we have a wea k around first thing and we have a weak weather front sinking south bringing cloud and patchy rain. for most of us it will be dry and right with sunshine. more details in 15 minutes. good morning. first, our main story. the legislation paving the way for theresa may to begin the formal negotiations for withdrawing britain from the european union faces its final test in parliament today. ministers hope mps will reject the two changes made to the brexit bill in the house of lords. peers want to guarantee the rights of eu citizens in the uk and ensure parliament has a vote