Forces charity Help For Heroes will not accept donations raised by Tommy Robinson, leader of the far-right group the English Defence League (EDL), Channel 4 News presenter Krishnan Guru-Murthy said.
It is thought that Drummer Lee Rigby was wearing a Help For Heroes t-shirt or sweatshirt when he was murdered in Woolwich last Wednesday.
More top news
The Chancellor will promise to fix a glitch, which means repayments continue to be taken for up to 12 months after the loan is paid off.
The proposal will see the introduction of a discounted railcard for 26-30-year-olds, as the government looks to lessen the cost of living.
The vessel went missing last week with 44 sailors on board.