Sun. 4pm: White House tries to gain support for Syria strike

WASHINGTON (AP) – The White House is making a big push to rally members of Congress and the American public behind President Barack Obama’s plan for a U.S. military strike against Syria.

His administration says the government of Syrian President Bassar Assad used chemical weapons in an attack last month near Damascus, and that a strong U.S. response is needed to deter the future use of deadly chemicals.

Syria claims rebels carried out the Aug. 21 attack.

Vice President Joe Biden plans to host a dinner tonight for a group of Senate Republicans. And lawmakers should expect more phone calls from top officials.

Obama is giving a national address Tuesday night.