Detailed Analysis:

• Claim: President Trump says it was he who called off his anticipated second summit with Russian President Vladimir Putin.
• Assessment: Unverified. The provided sources do not confirm or deny this statement directly.
• Claim: They were to meet in Hungary to discuss an end to the war in Ukraine.
• Assessment: Unverified. The provided sources do not confirm the meeting was to be in Hungary. Source 3 mentions European allies urging Trump not to deal with Putin without Ukraine's involvement, suggesting a different location or context.
• Claim: The president says it didn't feel right to meet with Putin at this time, so he canceled.
• Assessment: Unverified. The provided sources do not confirm or deny this statement directly.
• Claim: Trump-Putin summit in Alaska ends with no deal on Ukraine ceasefire
• Verification Source #4: President Trump and Russian President Vladimir Putin held a high-stakes summit in Alaska, but the talks did not yield a ceasefire in Ukraine
• Assessment: Supported. Source 4 confirms a summit in Alaska that did not result in a ceasefire.
• Claim: This is the first time the U.S. has imposed sanctions against Russia over the war with Ukraine since Trump assumed office.
• Verification Source #1: This is the first time the U.S. has imposed sanctions against Russia over the war with Ukraine since Trump assumed office.
• Assessment: Supported. Source 1 confirms this statement.