en_474681_0	The US is to send an additional 2,000 troops to its border with Mexico, the Pentagon has announced.
en_474681_1	It will bring the total number of troops stationed on the southern border to about 4,300.
en_474681_2	The Pentagon said the soldiers would help border-patrol agents, carry out surveillance work and install miles of razor wire.
en_474681_3	It comes as President Donald Trump battles Congress for funds to build a wall along the border.
en_474681_4	He says such a measure is needed to stop illegal immigration.