The Harris County District Attorney's Office dropped trespassing charges against VICE News reporter Alex Thompson on Friday, after he was arrested at an event held for Donald Trump at Houston's Omni Westside Hotel on September 17.Thompson was arrested while inquiring about media access to an event held at the Omni by the Remembrance Project, a Houston-based non-profit that advocates for families with loved ones killed by undocumented immigrants. While Thompson was waiting for clarification about his press access from a Remembrance Project staffer, hotel management asked a VICE News film crew to leave the premises. Thompson stayed while waiting to confirm his press access, and was arrested quickly thereafter.Thompson wasn't given an opportunity to explain himself to police, or to rebut the hotel manager's account after his arrest. Thompson was held for approximately 11 hours and then released on a $500 bond.The Trump campaign issued a statement to VICE News saying they had nothing to do with Thompson's arrest.Multiple calls and emails seeking comment from the Omni Westside Hotel were unanswered for three days, as were inquiries to Omni's corporate communications staff. Omni Hotel issued the following statement on September 20: "With the heightened security sensitivities surrounding candidates for national elected office, there are increased security protocols in place, which the Omni Houston Westside followed."Follow VICE News on Twitter: @vicenews