Mike Howitt, a pensioner from Leicestershire, has arrived back in the UK after an 8,000 mile hitchhike.
The 80-year-old hitchhiked from Leicester to Cape Town in memory of his dead wife.
Wesley Smith went to meet him on his return.
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The House of Commons Petitions Committee has said they will keep an eye on the petition and are concerned about fraudulent signatures.
Oliver Healey, from Telford said he set up the page before the referendum and it has now been "hijacked" by Remain backers.
Your afternoon weather update with Helen Plint.