mosque. 30 January 2007 bombings On 30 January 2007, two explosions were reported in the headquarters of the Daily News newspaper and the Rama Garden Hotel's parking lot at around 1 am. Prime Minister Surayud Chulanont later declared that the explosions were caused by M79 grenades. He also noted that it would not be easy to find the bombers because not much shrapnel was found on the scene. Security measures and junta responses Several foreign embassies issued travel warnings to their citizens in Bangkok warning that further attacks are possible. The junta ordered the military to the streets of Bangkok to control the situation, with 6,000 checkpoints set up throughout the capital. Army commanders for the North, Northeast, and the South were placed on alert. Bangkok Governor Apirak Kosayothin ordered all 50 districts in Bangkok to collect all their rubbish bins. Junta head Sonthi Boonyaratglin cut short his hajj and flew back from Saudi Arabia to meet with the junta leadership in the afternoon of 1 January 2007 Later on that same day, assistant police commissioner Jongrak Juthanon was assigned to lead an investigation into the deadly incidents. The Bangkok Metropolitan Administration initiated plans to spend 186 million baht on installing 1,628 closed-circuit television cameras throughout the capital in 2007, with plans for 504 cameras to be placed on pedestrian and traffic flyover bridges and low-population locations, while 1,124 cameras would be placed in more populated places like bus terminals and intersections. Coup rumours Rumors that the junta would use the bombings as a pretext to overthrow the government of Prime Minister Surayud Chulanont abounded. Junta leader Sonthi went on television to deny the rumours. "We love the people too much to do it," he said. Economic impact The Stock Exchange of Thailand (SET) composite index fell 3.2% the day after the exchange opened after the New Year holiday. Thai shares declined another 1.67% on 4 January 2007. The declines followed massive losses in mid-December after the junta briefly introduced capital controls. The Thai baht weakened slightly, trading at 36.15–17 to one United States dollar, against 36.05-10 at the close of trade on 29 December 2006. However, Deputy Prime Minister and Finance Minister Pridiyathorn Devakula claimed that the bombings "would not have an impact on this year's GDP." Arrests On 20 January 2007, some 15 military officers and civilians were arrested in commando raids regarding the bombings. Police invoked martial