Britain is planning to join forces with America and prepare its Royal Navy vessels against Syria, The Daily Telegraph is reporting.
Government sources said talks between the Prime Minister and international leaders, including Barack Obama, would continue, but that any military action that was agreed could begin within the next week.
The possibility of such intervention will provoke demands for Parliament to be recalled this week.
More top news
The death of Boris Nemtsov hits particularly hard because he represented what post-Communist Russia might have become.
Dad Kyle Johnson claims a bus driver threatened to kick him and his two-year-old son Ethan off unless the deaf toddler quietened down.
A cheerless start to the weekend will go further downhill as cloud, wind and rain spreads in from the west.